Home / 122,896.32-169,560.18-75,100.65

Finding the Fourth Proportional to 122,896.32, 169,560.18 and 75,100.65

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Solution

The fourth proportional to 122,896.32, 169,560.18 and 75,100.65 is: 103,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,896.32 : 169,560.18 = 75,100.65 : x
  2. Step 2: Convert to fraction form
    122,896.32/169,560.18 = 75,100.65/x
  3. Step 3: Cross multiply
    122,896.32x = 169,560.18 × 75,100.65
  4. Step 4: Simplify right side
    122,896.32x = 12,734,079,732.12
  5. Step 5: Solve for x
    x = 12,734,079,732.12/122,896.32
  6. Step 6: Final answer
    x = 103,616.44

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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.