Home / 173,018.18-239,095.14-124,778.43

Finding the Fourth Proportional to 173,018.18, 239,095.14 and 124,778.43

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Solution

The fourth proportional to 173,018.18, 239,095.14 and 124,778.43 is: 172,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,018.18 : 239,095.14 = 124,778.43 : x
  2. Step 2: Convert to fraction form
    173,018.18/239,095.14 = 124,778.43/x
  3. Step 3: Cross multiply
    173,018.18x = 239,095.14 × 124,778.43
  4. Step 4: Simplify right side
    173,018.18x = 29,833,916,591.90
  5. Step 5: Solve for x
    x = 29,833,916,591.90/173,018.18
  6. Step 6: Final answer
    x = 172,432.26

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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.