Home / 80,159.28-120,259.44-23,999.16

Finding the Fourth Proportional to 80,159.28, 120,259.44 and 23,999.16

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Solution

The fourth proportional to 80,159.28, 120,259.44 and 23,999.16 is: 36,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,159.28 : 120,259.44 = 23,999.16 : x
  2. Step 2: Convert to fraction form
    80,159.28/120,259.44 = 23,999.16/x
  3. Step 3: Cross multiply
    80,159.28x = 120,259.44 × 23,999.16
  4. Step 4: Simplify right side
    80,159.28x = 2,886,125,542.07
  5. Step 5: Solve for x
    x = 2,886,125,542.07/80,159.28
  6. Step 6: Final answer
    x = 36,004.88

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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.