Home / 157,929.40-236,761.26-129,851.56

Finding the Fourth Proportional to 157,929.40, 236,761.26 and 129,851.56

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Solution

The fourth proportional to 157,929.40, 236,761.26 and 129,851.56 is: 194,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,929.40 : 236,761.26 = 129,851.56 : x
  2. Step 2: Convert to fraction form
    157,929.40/236,761.26 = 129,851.56/x
  3. Step 3: Cross multiply
    157,929.40x = 236,761.26 × 129,851.56
  4. Step 4: Simplify right side
    157,929.40x = 30,743,818,958.57
  5. Step 5: Solve for x
    x = 30,743,818,958.57/157,929.40
  6. Step 6: Final answer
    x = 194,668.12

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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.