Home / 236,500.68-326,371.86-129,073.13

Finding the Fourth Proportional to 236,500.68, 326,371.86 and 129,073.13

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Solution

The fourth proportional to 236,500.68, 326,371.86 and 129,073.13 is: 178,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,500.68 : 326,371.86 = 129,073.13 : x
  2. Step 2: Convert to fraction form
    236,500.68/326,371.86 = 129,073.13/x
  3. Step 3: Cross multiply
    236,500.68x = 326,371.86 × 129,073.13
  4. Step 4: Simplify right side
    236,500.68x = 42,125,835,882.26
  5. Step 5: Solve for x
    x = 42,125,835,882.26/236,500.68
  6. Step 6: Final answer
    x = 178,121.42

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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.