Home / 237,981.24-328,412.19-129,085.29

Finding the Fourth Proportional to 237,981.24, 328,412.19 and 129,085.29

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Solution

The fourth proportional to 237,981.24, 328,412.19 and 129,085.29 is: 178,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,981.24 : 328,412.19 = 129,085.29 : x
  2. Step 2: Convert to fraction form
    237,981.24/328,412.19 = 129,085.29/x
  3. Step 3: Cross multiply
    237,981.24x = 328,412.19 × 129,085.29
  4. Step 4: Simplify right side
    237,981.24x = 42,393,182,785.69
  5. Step 5: Solve for x
    x = 42,393,182,785.69/237,981.24
  6. Step 6: Final answer
    x = 178,136.66

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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.