Home / 138,233.68-207,386.73-43,460.03

Finding the Fourth Proportional to 138,233.68, 207,386.73 and 43,460.03

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Solution

The fourth proportional to 138,233.68, 207,386.73 and 43,460.03 is: 65,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,233.68 : 207,386.73 = 43,460.03 : x
  2. Step 2: Convert to fraction form
    138,233.68/207,386.73 = 43,460.03/x
  3. Step 3: Cross multiply
    138,233.68x = 207,386.73 × 43,460.03
  4. Step 4: Simplify right side
    138,233.68x = 9,013,034,025.87
  5. Step 5: Solve for x
    x = 9,013,034,025.87/138,233.68
  6. Step 6: Final answer
    x = 65,201.43

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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.