Home / 214,724.89-296,347.68-129,842.56

Finding the Fourth Proportional to 214,724.89, 296,347.68 and 129,842.56

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Solution

The fourth proportional to 214,724.89, 296,347.68 and 129,842.56 is: 179,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,724.89 : 296,347.68 = 129,842.56 : x
  2. Step 2: Convert to fraction form
    214,724.89/296,347.68 = 129,842.56/x
  3. Step 3: Cross multiply
    214,724.89x = 296,347.68 × 129,842.56
  4. Step 4: Simplify right side
    214,724.89x = 38,478,541,421.26
  5. Step 5: Solve for x
    x = 38,478,541,421.26/214,724.89
  6. Step 6: Final answer
    x = 179,199.26

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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.