Home / 123,565.14-170,519.70-66,976.53

Finding the Fourth Proportional to 123,565.14, 170,519.70 and 66,976.53

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Solution

The fourth proportional to 123,565.14, 170,519.70 and 66,976.53 is: 92,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,565.14 : 170,519.70 = 66,976.53 : x
  2. Step 2: Convert to fraction form
    123,565.14/170,519.70 = 66,976.53/x
  3. Step 3: Cross multiply
    123,565.14x = 170,519.70 × 66,976.53
  4. Step 4: Simplify right side
    123,565.14x = 11,420,817,802.64
  5. Step 5: Solve for x
    x = 11,420,817,802.64/123,565.14
  6. Step 6: Final answer
    x = 92,427.51

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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.