Home / 224,748.11-310,161.82-129,254.88

Finding the Fourth Proportional to 224,748.11, 310,161.82 and 129,254.88

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Solution

The fourth proportional to 224,748.11, 310,161.82 and 129,254.88 is: 178,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,748.11 : 310,161.82 = 129,254.88 : x
  2. Step 2: Convert to fraction form
    224,748.11/310,161.82 = 129,254.88/x
  3. Step 3: Cross multiply
    224,748.11x = 310,161.82 × 129,254.88
  4. Step 4: Simplify right side
    224,748.11x = 40,089,928,824.68
  5. Step 5: Solve for x
    x = 40,089,928,824.68/224,748.11
  6. Step 6: Final answer
    x = 178,377.16

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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.