Home / 105,903.19-146,146.40-58,157.33

Finding the Fourth Proportional to 105,903.19, 146,146.40 and 58,157.33

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Solution

The fourth proportional to 105,903.19, 146,146.40 and 58,157.33 is: 80,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,903.19 : 146,146.40 = 58,157.33 : x
  2. Step 2: Convert to fraction form
    105,903.19/146,146.40 = 58,157.33/x
  3. Step 3: Cross multiply
    105,903.19x = 146,146.40 × 58,157.33
  4. Step 4: Simplify right side
    105,903.19x = 8,499,484,778.48
  5. Step 5: Solve for x
    x = 8,499,484,778.48/105,903.19
  6. Step 6: Final answer
    x = 80,257.12

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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.