Home / 125,022.24-172,475.68-74,692

Finding the Fourth Proportional to 125,022.24, 172,475.68 and 74,692

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Solution

The fourth proportional to 125,022.24, 172,475.68 and 74,692 is: 103,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,022.24 : 172,475.68 = 74,692 : x
  2. Step 2: Convert to fraction form
    125,022.24/172,475.68 = 74,692/x
  3. Step 3: Cross multiply
    125,022.24x = 172,475.68 × 74,692
  4. Step 4: Simplify right side
    125,022.24x = 12,882,553,490.56
  5. Step 5: Solve for x
    x = 12,882,553,490.56/125,022.24
  6. Step 6: Final answer
    x = 103,042.09

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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.