Home / 135,683.22-187,070.76-96,967.29

Finding the Fourth Proportional to 135,683.22, 187,070.76 and 96,967.29

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Solution

The fourth proportional to 135,683.22, 187,070.76 and 96,967.29 is: 133,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,683.22 : 187,070.76 = 96,967.29 : x
  2. Step 2: Convert to fraction form
    135,683.22/187,070.76 = 96,967.29/x
  3. Step 3: Cross multiply
    135,683.22x = 187,070.76 × 96,967.29
  4. Step 4: Simplify right side
    135,683.22x = 18,139,744,635.44
  5. Step 5: Solve for x
    x = 18,139,744,635.44/135,683.22
  6. Step 6: Final answer
    x = 133,691.88

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1.5x scale

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.