Home / 106,116.75-146,366.19-90,090.90

Finding the Fourth Proportional to 106,116.75, 146,366.19 and 90,090.90

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Solution

The fourth proportional to 106,116.75, 146,366.19 and 90,090.90 is: 124,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,116.75 : 146,366.19 = 90,090.90 : x
  2. Step 2: Convert to fraction form
    106,116.75/146,366.19 = 90,090.90/x
  3. Step 3: Cross multiply
    106,116.75x = 146,366.19 × 90,090.90
  4. Step 4: Simplify right side
    106,116.75x = 13,186,261,786.67
  5. Step 5: Solve for x
    x = 13,186,261,786.67/106,116.75
  6. Step 6: Final answer
    x = 124,261.83

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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.