Home / 125,173.92-172,756.08-71,446.62

Finding the Fourth Proportional to 125,173.92, 172,756.08 and 71,446.62

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Solution

The fourth proportional to 125,173.92, 172,756.08 and 71,446.62 is: 98,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,173.92 : 172,756.08 = 71,446.62 : x
  2. Step 2: Convert to fraction form
    125,173.92/172,756.08 = 71,446.62/x
  3. Step 3: Cross multiply
    125,173.92x = 172,756.08 × 71,446.62
  4. Step 4: Simplify right side
    125,173.92x = 12,342,838,000.45
  5. Step 5: Solve for x
    x = 12,342,838,000.45/125,173.92
  6. Step 6: Final answer
    x = 98,605.51

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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.