Home / 102,666.30-141,677.98-57,344.95

Finding the Fourth Proportional to 102,666.30, 141,677.98 and 57,344.95

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Solution

The fourth proportional to 102,666.30, 141,677.98 and 57,344.95 is: 79,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,666.30 : 141,677.98 = 57,344.95 : x
  2. Step 2: Convert to fraction form
    102,666.30/141,677.98 = 57,344.95/x
  3. Step 3: Cross multiply
    102,666.30x = 141,677.98 × 57,344.95
  4. Step 4: Simplify right side
    102,666.30x = 8,124,516,679.20
  5. Step 5: Solve for x
    x = 8,124,516,679.20/102,666.30
  6. Step 6: Final answer
    x = 79,135.19

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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.