Home / 110,966.12-153,125.56-62,569.78

Finding the Fourth Proportional to 110,966.12, 153,125.56 and 62,569.78

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Solution

The fourth proportional to 110,966.12, 153,125.56 and 62,569.78 is: 86,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,966.12 : 153,125.56 = 62,569.78 : x
  2. Step 2: Convert to fraction form
    110,966.12/153,125.56 = 62,569.78/x
  3. Step 3: Cross multiply
    110,966.12x = 153,125.56 × 62,569.78
  4. Step 4: Simplify right side
    110,966.12x = 9,581,032,601.58
  5. Step 5: Solve for x
    x = 9,581,032,601.58/110,966.12
  6. Step 6: Final answer
    x = 86,341.96

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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.