Home / 124,956.40-172,442.88-71,246.50

Finding the Fourth Proportional to 124,956.40, 172,442.88 and 71,246.50

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Solution

The fourth proportional to 124,956.40, 172,442.88 and 71,246.50 is: 98,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,956.40 : 172,442.88 = 71,246.50 : x
  2. Step 2: Convert to fraction form
    124,956.40/172,442.88 = 71,246.50/x
  3. Step 3: Cross multiply
    124,956.40x = 172,442.88 × 71,246.50
  4. Step 4: Simplify right side
    124,956.40x = 12,285,951,649.92
  5. Step 5: Solve for x
    x = 12,285,951,649.92/124,956.40
  6. Step 6: Final answer
    x = 98,321.91

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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.