Home / 123,529.20-170,470.44-66,940.08

Finding the Fourth Proportional to 123,529.20, 170,470.44 and 66,940.08

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Solution

The fourth proportional to 123,529.20, 170,470.44 and 66,940.08 is: 92,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,529.20 : 170,470.44 = 66,940.08 : x
  2. Step 2: Convert to fraction form
    123,529.20/170,470.44 = 66,940.08/x
  3. Step 3: Cross multiply
    123,529.20x = 170,470.44 × 66,940.08
  4. Step 4: Simplify right side
    123,529.20x = 11,411,304,891.24
  5. Step 5: Solve for x
    x = 11,411,304,891.24/123,529.20
  6. Step 6: Final answer
    x = 92,377.39

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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.