Home / 149,385.20-224,077.80-38,577.20

Finding the Fourth Proportional to 149,385.20, 224,077.80 and 38,577.20

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Solution

The fourth proportional to 149,385.20, 224,077.80 and 38,577.20 is: 57,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,385.20 : 224,077.80 = 38,577.20 : x
  2. Step 2: Convert to fraction form
    149,385.20/224,077.80 = 38,577.20/x
  3. Step 3: Cross multiply
    149,385.20x = 224,077.80 × 38,577.20
  4. Step 4: Simplify right side
    149,385.20x = 8,644,294,106.16
  5. Step 5: Solve for x
    x = 8,644,294,106.16/149,385.20
  6. Step 6: Final answer
    x = 57,865.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.