Home / 123,442.56-170,351.04-66,853.92

Finding the Fourth Proportional to 123,442.56, 170,351.04 and 66,853.92

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Solution

The fourth proportional to 123,442.56, 170,351.04 and 66,853.92 is: 92,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,442.56 : 170,351.04 = 66,853.92 : x
  2. Step 2: Convert to fraction form
    123,442.56/170,351.04 = 66,853.92/x
  3. Step 3: Cross multiply
    123,442.56x = 170,351.04 × 66,853.92
  4. Step 4: Simplify right side
    123,442.56x = 11,388,634,800.08
  5. Step 5: Solve for x
    x = 11,388,634,800.08/123,442.56
  6. Step 6: Final answer
    x = 92,258.58

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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.