Home / 135,899.10-187,407.27-125,171.46

Finding the Fourth Proportional to 135,899.10, 187,407.27 and 125,171.46

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Solution

The fourth proportional to 135,899.10, 187,407.27 and 125,171.46 is: 172,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,899.10 : 187,407.27 = 125,171.46 : x
  2. Step 2: Convert to fraction form
    135,899.10/187,407.27 = 125,171.46/x
  3. Step 3: Cross multiply
    135,899.10x = 187,407.27 × 125,171.46
  4. Step 4: Simplify right side
    135,899.10x = 23,458,041,600.51
  5. Step 5: Solve for x
    x = 23,458,041,600.51/135,899.10
  6. Step 6: Final answer
    x = 172,613.66

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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.