Home / 123,471.02-170,390.01-66,882.39

Finding the Fourth Proportional to 123,471.02, 170,390.01 and 66,882.39

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Solution

The fourth proportional to 123,471.02, 170,390.01 and 66,882.39 is: 92,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,471.02 : 170,390.01 = 66,882.39 : x
  2. Step 2: Convert to fraction form
    123,471.02/170,390.01 = 66,882.39/x
  3. Step 3: Cross multiply
    123,471.02x = 170,390.01 × 66,882.39
  4. Step 4: Simplify right side
    123,471.02x = 11,396,091,100.92
  5. Step 5: Solve for x
    x = 11,396,091,100.92/123,471.02
  6. Step 6: Final answer
    x = 92,297.70

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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.