Home / 123,397.44-170,288.48-66,808.80

Finding the Fourth Proportional to 123,397.44, 170,288.48 and 66,808.80

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Solution

The fourth proportional to 123,397.44, 170,288.48 and 66,808.80 is: 92,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,397.44 : 170,288.48 = 66,808.80 : x
  2. Step 2: Convert to fraction form
    123,397.44/170,288.48 = 66,808.80/x
  3. Step 3: Cross multiply
    123,397.44x = 170,288.48 × 66,808.80
  4. Step 4: Simplify right side
    123,397.44x = 11,376,769,002.62
  5. Step 5: Solve for x
    x = 11,376,769,002.62/123,397.44
  6. Step 6: Final answer
    x = 92,196.15

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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.