Home / 130,982.13-196,753.05-93,781.26

Finding the Fourth Proportional to 130,982.13, 196,753.05 and 93,781.26

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Solution

The fourth proportional to 130,982.13, 196,753.05 and 93,781.26 is: 140,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,982.13 : 196,753.05 = 93,781.26 : x
  2. Step 2: Convert to fraction form
    130,982.13/196,753.05 = 93,781.26/x
  3. Step 3: Cross multiply
    130,982.13x = 196,753.05 × 93,781.26
  4. Step 4: Simplify right side
    130,982.13x = 18,451,748,937.84
  5. Step 5: Solve for x
    x = 18,451,748,937.84/130,982.13
  6. Step 6: Final answer
    x = 140,872.26

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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.