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Finding the Fourth Proportional to 135,593.69, 187,099.59 and 75,164.28

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Solution

The fourth proportional to 135,593.69, 187,099.59 and 75,164.28 is: 103,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,593.69 : 187,099.59 = 75,164.28 : x
  2. Step 2: Convert to fraction form
    135,593.69/187,099.59 = 75,164.28/x
  3. Step 3: Cross multiply
    135,593.69x = 187,099.59 × 75,164.28
  4. Step 4: Simplify right side
    135,593.69x = 14,063,205,594.82
  5. Step 5: Solve for x
    x = 14,063,205,594.82/135,593.69
  6. Step 6: Final answer
    x = 103,715.78

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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.