Home / 135,560.66-187,073.70-75,140.39

Finding the Fourth Proportional to 135,560.66, 187,073.70 and 75,140.39

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Solution

The fourth proportional to 135,560.66, 187,073.70 and 75,140.39 is: 103,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,560.66 : 187,073.70 = 75,140.39 : x
  2. Step 2: Convert to fraction form
    135,560.66/187,073.70 = 75,140.39/x
  3. Step 3: Cross multiply
    135,560.66x = 187,073.70 × 75,140.39
  4. Step 4: Simplify right side
    135,560.66x = 14,056,789,841.37
  5. Step 5: Solve for x
    x = 14,056,789,841.37/135,560.66
  6. Step 6: Final answer
    x = 103,693.73

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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.