Home / 123,220.32-170,046.50-69,494.80

Finding the Fourth Proportional to 123,220.32, 170,046.50 and 69,494.80

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Solution

The fourth proportional to 123,220.32, 170,046.50 and 69,494.80 is: 95,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,220.32 : 170,046.50 = 69,494.80 : x
  2. Step 2: Convert to fraction form
    123,220.32/170,046.50 = 69,494.80/x
  3. Step 3: Cross multiply
    123,220.32x = 170,046.50 × 69,494.80
  4. Step 4: Simplify right side
    123,220.32x = 11,817,347,508.20
  5. Step 5: Solve for x
    x = 11,817,347,508.20/123,220.32
  6. Step 6: Final answer
    x = 95,904.21

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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.