Home / 122,614.32-169,198.56-68,890.80

Finding the Fourth Proportional to 122,614.32, 169,198.56 and 68,890.80

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Solution

The fourth proportional to 122,614.32, 169,198.56 and 68,890.80 is: 95,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,614.32 : 169,198.56 = 68,890.80 : x
  2. Step 2: Convert to fraction form
    122,614.32/169,198.56 = 68,890.80/x
  3. Step 3: Cross multiply
    122,614.32x = 169,198.56 × 68,890.80
  4. Step 4: Simplify right side
    122,614.32x = 11,656,224,157.25
  5. Step 5: Solve for x
    x = 11,656,224,157.25/122,614.32
  6. Step 6: Final answer
    x = 95,064.13

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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.