Home / 214,721.88-296,343.53-129,839.55

Finding the Fourth Proportional to 214,721.88, 296,343.53 and 129,839.55

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Solution

The fourth proportional to 214,721.88, 296,343.53 and 129,839.55 is: 179,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,721.88 : 296,343.53 = 129,839.55 : x
  2. Step 2: Convert to fraction form
    214,721.88/296,343.53 = 129,839.55/x
  3. Step 3: Cross multiply
    214,721.88x = 296,343.53 × 129,839.55
  4. Step 4: Simplify right side
    214,721.88x = 38,477,110,580.61
  5. Step 5: Solve for x
    x = 38,477,110,580.61/214,721.88
  6. Step 6: Final answer
    x = 179,195.11

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1.5x scale

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.