Home / 178,792.24-268,221.18-85,298

Finding the Fourth Proportional to 178,792.24, 268,221.18 and 85,298

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Solution

The fourth proportional to 178,792.24, 268,221.18 and 85,298 is: 127,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,792.24 : 268,221.18 = 85,298 : x
  2. Step 2: Convert to fraction form
    178,792.24/268,221.18 = 85,298/x
  3. Step 3: Cross multiply
    178,792.24x = 268,221.18 × 85,298
  4. Step 4: Simplify right side
    178,792.24x = 22,878,730,211.64
  5. Step 5: Solve for x
    x = 22,878,730,211.64/178,792.24
  6. Step 6: Final answer
    x = 127,962.66

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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.