Home / 138,097.59-207,112.73-38,255.19

Finding the Fourth Proportional to 138,097.59, 207,112.73 and 38,255.19

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Solution

The fourth proportional to 138,097.59, 207,112.73 and 38,255.19 is: 57,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,097.59 : 207,112.73 = 38,255.19 : x
  2. Step 2: Convert to fraction form
    138,097.59/207,112.73 = 38,255.19/x
  3. Step 3: Cross multiply
    138,097.59x = 207,112.73 × 38,255.19
  4. Step 4: Simplify right side
    138,097.59x = 7,923,136,646.29
  5. Step 5: Solve for x
    x = 7,923,136,646.29/138,097.59
  6. Step 6: Final answer
    x = 57,373.46

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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.