Home / 138,544.17-207,476.06-88,476.45

Finding the Fourth Proportional to 138,544.17, 207,476.06 and 88,476.45

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Solution

The fourth proportional to 138,544.17, 207,476.06 and 88,476.45 is: 132,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,544.17 : 207,476.06 = 88,476.45 : x
  2. Step 2: Convert to fraction form
    138,544.17/207,476.06 = 88,476.45/x
  3. Step 3: Cross multiply
    138,544.17x = 207,476.06 × 88,476.45
  4. Step 4: Simplify right side
    138,544.17x = 18,356,744,806.40
  5. Step 5: Solve for x
    x = 18,356,744,806.40/138,544.17
  6. Step 6: Final answer
    x = 132,497.42

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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.