Home / 123,344.70-170,248.56-69,661.14

Finding the Fourth Proportional to 123,344.70, 170,248.56 and 69,661.14

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Solution

The fourth proportional to 123,344.70, 170,248.56 and 69,661.14 is: 96,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.70 : 170,248.56 = 69,661.14 : x
  2. Step 2: Convert to fraction form
    123,344.70/170,248.56 = 69,661.14/x
  3. Step 3: Cross multiply
    123,344.70x = 170,248.56 × 69,661.14
  4. Step 4: Simplify right side
    123,344.70x = 11,859,708,772.96
  5. Step 5: Solve for x
    x = 11,859,708,772.96/123,344.70
  6. Step 6: Final answer
    x = 96,150.94

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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.