Home / 125,179.50-172,749.96-67,819.98

Finding the Fourth Proportional to 125,179.50, 172,749.96 and 67,819.98

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Solution

The fourth proportional to 125,179.50, 172,749.96 and 67,819.98 is: 93,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,179.50 : 172,749.96 = 67,819.98 : x
  2. Step 2: Convert to fraction form
    125,179.50/172,749.96 = 67,819.98/x
  3. Step 3: Cross multiply
    125,179.50x = 172,749.96 × 67,819.98
  4. Step 4: Simplify right side
    125,179.50x = 11,715,898,832.20
  5. Step 5: Solve for x
    x = 11,715,898,832.20/125,179.50
  6. Step 6: Final answer
    x = 93,592.79

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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.