Home / 102,747.29-154,098.15-31,658.24

Finding the Fourth Proportional to 102,747.29, 154,098.15 and 31,658.24

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Solution

The fourth proportional to 102,747.29, 154,098.15 and 31,658.24 is: 47,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,747.29 : 154,098.15 = 31,658.24 : x
  2. Step 2: Convert to fraction form
    102,747.29/154,098.15 = 31,658.24/x
  3. Step 3: Cross multiply
    102,747.29x = 154,098.15 × 31,658.24
  4. Step 4: Simplify right side
    102,747.29x = 4,878,476,482.78
  5. Step 5: Solve for x
    x = 4,878,476,482.78/102,747.29
  6. Step 6: Final answer
    x = 47,480.34

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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.