Home / 189,841.15-284,761.86-56,721.43

Finding the Fourth Proportional to 189,841.15, 284,761.86 and 56,721.43

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Solution

The fourth proportional to 189,841.15, 284,761.86 and 56,721.43 is: 85,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,841.15 : 284,761.86 = 56,721.43 : x
  2. Step 2: Convert to fraction form
    189,841.15/284,761.86 = 56,721.43/x
  3. Step 3: Cross multiply
    189,841.15x = 284,761.86 × 56,721.43
  4. Step 4: Simplify right side
    189,841.15x = 16,152,098,201.24
  5. Step 5: Solve for x
    x = 16,152,098,201.24/189,841.15
  6. Step 6: Final answer
    x = 85,082.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.