Home / 135,725.01-187,301.66-75,299.55

Finding the Fourth Proportional to 135,725.01, 187,301.66 and 75,299.55

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Solution

The fourth proportional to 135,725.01, 187,301.66 and 75,299.55 is: 103,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,725.01 : 187,301.66 = 75,299.55 : x
  2. Step 2: Convert to fraction form
    135,725.01/187,301.66 = 75,299.55/x
  3. Step 3: Cross multiply
    135,725.01x = 187,301.66 × 75,299.55
  4. Step 4: Simplify right side
    135,725.01x = 14,103,730,335.76
  5. Step 5: Solve for x
    x = 14,103,730,335.76/135,725.01
  6. Step 6: Final answer
    x = 103,914.01

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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.