Home / 138,110.36-207,174.29-43,344.27

Finding the Fourth Proportional to 138,110.36, 207,174.29 and 43,344.27

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Solution

The fourth proportional to 138,110.36, 207,174.29 and 43,344.27 is: 65,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,110.36 : 207,174.29 = 43,344.27 : x
  2. Step 2: Convert to fraction form
    138,110.36/207,174.29 = 43,344.27/x
  3. Step 3: Cross multiply
    138,110.36x = 207,174.29 × 43,344.27
  4. Step 4: Simplify right side
    138,110.36x = 8,979,818,146.10
  5. Step 5: Solve for x
    x = 8,979,818,146.10/138,110.36
  6. Step 6: Final answer
    x = 65,019.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.