Home / 104,321.08-156,508.92-45,142.88

Finding the Fourth Proportional to 104,321.08, 156,508.92 and 45,142.88

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Solution

The fourth proportional to 104,321.08, 156,508.92 and 45,142.88 is: 67,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,321.08 : 156,508.92 = 45,142.88 : x
  2. Step 2: Convert to fraction form
    104,321.08/156,508.92 = 45,142.88/x
  3. Step 3: Cross multiply
    104,321.08x = 156,508.92 × 45,142.88
  4. Step 4: Simplify right side
    104,321.08x = 7,065,263,394.49
  5. Step 5: Solve for x
    x = 7,065,263,394.49/104,321.08
  6. Step 6: Final answer
    x = 67,726.13

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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.