Home / 102,862.27-141,961.70-57,551.73

Finding the Fourth Proportional to 102,862.27, 141,961.70 and 57,551.73

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Solution

The fourth proportional to 102,862.27, 141,961.70 and 57,551.73 is: 79,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,862.27 : 141,961.70 = 57,551.73 : x
  2. Step 2: Convert to fraction form
    102,862.27/141,961.70 = 57,551.73/x
  3. Step 3: Cross multiply
    102,862.27x = 141,961.70 × 57,551.73
  4. Step 4: Simplify right side
    102,862.27x = 8,170,141,428.74
  5. Step 5: Solve for x
    x = 8,170,141,428.74/102,862.27
  6. Step 6: Final answer
    x = 79,427.97

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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.