Home / 102,728.32-141,808.76-62,454.94

Finding the Fourth Proportional to 102,728.32, 141,808.76 and 62,454.94

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Solution

The fourth proportional to 102,728.32, 141,808.76 and 62,454.94 is: 86,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,728.32 : 141,808.76 = 62,454.94 : x
  2. Step 2: Convert to fraction form
    102,728.32/141,808.76 = 62,454.94/x
  3. Step 3: Cross multiply
    102,728.32x = 141,808.76 × 62,454.94
  4. Step 4: Simplify right side
    102,728.32x = 8,856,657,597.27
  5. Step 5: Solve for x
    x = 8,856,657,597.27/102,728.32
  6. Step 6: Final answer
    x = 86,214.37

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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.