Home / 178,549.25-246,397.28-97,978.12

Finding the Fourth Proportional to 178,549.25, 246,397.28 and 97,978.12

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Solution

The fourth proportional to 178,549.25, 246,397.28 and 97,978.12 is: 135,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,549.25 : 246,397.28 = 97,978.12 : x
  2. Step 2: Convert to fraction form
    178,549.25/246,397.28 = 97,978.12/x
  3. Step 3: Cross multiply
    178,549.25x = 246,397.28 × 97,978.12
  4. Step 4: Simplify right side
    178,549.25x = 24,141,540,545.64
  5. Step 5: Solve for x
    x = 24,141,540,545.64/178,549.25
  6. Step 6: Final answer
    x = 135,209.42

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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.