Home / 102,177.10-141,069.18-69,965.62

Finding the Fourth Proportional to 102,177.10, 141,069.18 and 69,965.62

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Solution

The fourth proportional to 102,177.10, 141,069.18 and 69,965.62 is: 96,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,177.10 : 141,069.18 = 69,965.62 : x
  2. Step 2: Convert to fraction form
    102,177.10/141,069.18 = 69,965.62/x
  3. Step 3: Cross multiply
    102,177.10x = 141,069.18 × 69,965.62
  4. Step 4: Simplify right side
    102,177.10x = 9,869,992,641.59
  5. Step 5: Solve for x
    x = 9,869,992,641.59/102,177.10
  6. Step 6: Final answer
    x = 96,596.91

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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.