Home / 123,541.75-170,488.23-66,953.13

Finding the Fourth Proportional to 123,541.75, 170,488.23 and 66,953.13

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Solution

The fourth proportional to 123,541.75, 170,488.23 and 66,953.13 is: 92,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,541.75 : 170,488.23 = 66,953.13 : x
  2. Step 2: Convert to fraction form
    123,541.75/170,488.23 = 66,953.13/x
  3. Step 3: Cross multiply
    123,541.75x = 170,488.23 × 66,953.13
  4. Step 4: Simplify right side
    123,541.75x = 11,414,719,439.45
  5. Step 5: Solve for x
    x = 11,414,719,439.45/123,541.75
  6. Step 6: Final answer
    x = 92,395.64

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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.