Home / 104,060.80-156,085.24-28,158.20

Finding the Fourth Proportional to 104,060.80, 156,085.24 and 28,158.20

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Solution

The fourth proportional to 104,060.80, 156,085.24 and 28,158.20 is: 42,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.80 : 156,085.24 = 28,158.20 : x
  2. Step 2: Convert to fraction form
    104,060.80/156,085.24 = 28,158.20/x
  3. Step 3: Cross multiply
    104,060.80x = 156,085.24 × 28,158.20
  4. Step 4: Simplify right side
    104,060.80x = 4,395,079,404.97
  5. Step 5: Solve for x
    x = 4,395,079,404.97/104,060.80
  6. Step 6: Final answer
    x = 42,235.69

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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.