Home / 109,159.77-150,559.86-75,179.04

Finding the Fourth Proportional to 109,159.77, 150,559.86 and 75,179.04

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Solution

The fourth proportional to 109,159.77, 150,559.86 and 75,179.04 is: 103,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,159.77 : 150,559.86 = 75,179.04 : x
  2. Step 2: Convert to fraction form
    109,159.77/150,559.86 = 75,179.04/x
  3. Step 3: Cross multiply
    109,159.77x = 150,559.86 × 75,179.04
  4. Step 4: Simplify right side
    109,159.77x = 11,318,945,737.33
  5. Step 5: Solve for x
    x = 11,318,945,737.33/109,159.77
  6. Step 6: Final answer
    x = 103,691.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.