Home / 135,688.55-187,250.27-75,257.15

Finding the Fourth Proportional to 135,688.55, 187,250.27 and 75,257.15

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Solution

The fourth proportional to 135,688.55, 187,250.27 and 75,257.15 is: 103,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,688.55 : 187,250.27 = 75,257.15 : x
  2. Step 2: Convert to fraction form
    135,688.55/187,250.27 = 75,257.15/x
  3. Step 3: Cross multiply
    135,688.55x = 187,250.27 × 75,257.15
  4. Step 4: Simplify right side
    135,688.55x = 14,091,920,344.39
  5. Step 5: Solve for x
    x = 14,091,920,344.39/135,688.55
  6. Step 6: Final answer
    x = 103,854.90

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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.