Home / 106,014.96-146,146.50-74,084.76

Finding the Fourth Proportional to 106,014.96, 146,146.50 and 74,084.76

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Solution

The fourth proportional to 106,014.96, 146,146.50 and 74,084.76 is: 102,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,014.96 : 146,146.50 = 74,084.76 : x
  2. Step 2: Convert to fraction form
    106,014.96/146,146.50 = 74,084.76/x
  3. Step 3: Cross multiply
    106,014.96x = 146,146.50 × 74,084.76
  4. Step 4: Simplify right side
    106,014.96x = 10,827,228,377.34
  5. Step 5: Solve for x
    x = 10,827,228,377.34/106,014.96
  6. Step 6: Final answer
    x = 102,129.25

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.