Home / 123,574.62-170,535.60-69,856.43

Finding the Fourth Proportional to 123,574.62, 170,535.60 and 69,856.43

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Solution

The fourth proportional to 123,574.62, 170,535.60 and 69,856.43 is: 96,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,574.62 : 170,535.60 = 69,856.43 : x
  2. Step 2: Convert to fraction form
    123,574.62/170,535.60 = 69,856.43/x
  3. Step 3: Cross multiply
    123,574.62x = 170,535.60 × 69,856.43
  4. Step 4: Simplify right side
    123,574.62x = 11,913,008,630.25
  5. Step 5: Solve for x
    x = 11,913,008,630.25/123,574.62
  6. Step 6: Final answer
    x = 96,403.36

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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.