Home / 108,261.20-162,391.80-29,385.20

Finding the Fourth Proportional to 108,261.20, 162,391.80 and 29,385.20

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Solution

The fourth proportional to 108,261.20, 162,391.80 and 29,385.20 is: 44,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,261.20 : 162,391.80 = 29,385.20 : x
  2. Step 2: Convert to fraction form
    108,261.20/162,391.80 = 29,385.20/x
  3. Step 3: Cross multiply
    108,261.20x = 162,391.80 × 29,385.20
  4. Step 4: Simplify right side
    108,261.20x = 4,771,915,521.36
  5. Step 5: Solve for x
    x = 4,771,915,521.36/108,261.20
  6. Step 6: Final answer
    x = 44,077.80

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1.5x scale

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.