Home / 224,748.13-310,161.85-129,254.90

Finding the Fourth Proportional to 224,748.13, 310,161.85 and 129,254.90

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Solution

The fourth proportional to 224,748.13, 310,161.85 and 129,254.90 is: 178,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,748.13 : 310,161.85 = 129,254.90 : x
  2. Step 2: Convert to fraction form
    224,748.13/310,161.85 = 129,254.90/x
  3. Step 3: Cross multiply
    224,748.13x = 310,161.85 × 129,254.90
  4. Step 4: Simplify right side
    224,748.13x = 40,089,938,905.57
  5. Step 5: Solve for x
    x = 40,089,938,905.57/224,748.13
  6. Step 6: Final answer
    x = 178,377.19

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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.