Home / 502,207.11-753,312.02-123,129.54

Finding the Fourth Proportional to 502,207.11, 753,312.02 and 123,129.54

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Solution

The fourth proportional to 502,207.11, 753,312.02 and 123,129.54 is: 184,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,207.11 : 753,312.02 = 123,129.54 : x
  2. Step 2: Convert to fraction form
    502,207.11/753,312.02 = 123,129.54/x
  3. Step 3: Cross multiply
    502,207.11x = 753,312.02 × 123,129.54
  4. Step 4: Simplify right side
    502,207.11x = 92,754,961,883.42
  5. Step 5: Solve for x
    x = 92,754,961,883.42/502,207.11
  6. Step 6: Final answer
    x = 184,694.64

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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.