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Finding the Fourth Proportional to 135,793.17, 187,343.15 and 100,068.39

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Solution

The fourth proportional to 135,793.17, 187,343.15 and 100,068.39 is: 138,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,793.17 : 187,343.15 = 100,068.39 : x
  2. Step 2: Convert to fraction form
    135,793.17/187,343.15 = 100,068.39/x
  3. Step 3: Cross multiply
    135,793.17x = 187,343.15 × 100,068.39
  4. Step 4: Simplify right side
    135,793.17x = 18,747,126,897.69
  5. Step 5: Solve for x
    x = 18,747,126,897.69/135,793.17
  6. Step 6: Final answer
    x = 138,056.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.