Home / 104,061.80-156,086.74-28,159.20

Finding the Fourth Proportional to 104,061.80, 156,086.74 and 28,159.20

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Solution

The fourth proportional to 104,061.80, 156,086.74 and 28,159.20 is: 42,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,061.80 : 156,086.74 = 28,159.20 : x
  2. Step 2: Convert to fraction form
    104,061.80/156,086.74 = 28,159.20/x
  3. Step 3: Cross multiply
    104,061.80x = 156,086.74 × 28,159.20
  4. Step 4: Simplify right side
    104,061.80x = 4,395,277,729.01
  5. Step 5: Solve for x
    x = 4,395,277,729.01/104,061.80
  6. Step 6: Final answer
    x = 42,237.19

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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.