Home / 103,151.16-142,335.84-62,850.28

Finding the Fourth Proportional to 103,151.16, 142,335.84 and 62,850.28

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Solution

The fourth proportional to 103,151.16, 142,335.84 and 62,850.28 is: 86,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,151.16 : 142,335.84 = 62,850.28 : x
  2. Step 2: Convert to fraction form
    103,151.16/142,335.84 = 62,850.28/x
  3. Step 3: Cross multiply
    103,151.16x = 142,335.84 × 62,850.28
  4. Step 4: Simplify right side
    103,151.16x = 8,945,847,398.04
  5. Step 5: Solve for x
    x = 8,945,847,398.04/103,151.16
  6. Step 6: Final answer
    x = 86,725.61

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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.