Home / 102,860.57-141,885.52-67,935.42

Finding the Fourth Proportional to 102,860.57, 141,885.52 and 67,935.42

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Solution

The fourth proportional to 102,860.57, 141,885.52 and 67,935.42 is: 93,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,860.57 : 141,885.52 = 67,935.42 : x
  2. Step 2: Convert to fraction form
    102,860.57/141,885.52 = 67,935.42/x
  3. Step 3: Cross multiply
    102,860.57x = 141,885.52 × 67,935.42
  4. Step 4: Simplify right side
    102,860.57x = 9,639,052,223.28
  5. Step 5: Solve for x
    x = 9,639,052,223.28/102,860.57
  6. Step 6: Final answer
    x = 93,709.88

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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.