Home / 89,564.16-123,456.24-75,195.60

Finding the Fourth Proportional to 89,564.16, 123,456.24 and 75,195.60

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Solution

The fourth proportional to 89,564.16, 123,456.24 and 75,195.60 is: 103,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,564.16 : 123,456.24 = 75,195.60 : x
  2. Step 2: Convert to fraction form
    89,564.16/123,456.24 = 75,195.60/x
  3. Step 3: Cross multiply
    89,564.16x = 123,456.24 × 75,195.60
  4. Step 4: Simplify right side
    89,564.16x = 9,283,366,040.54
  5. Step 5: Solve for x
    x = 9,283,366,040.54/89,564.16
  6. Step 6: Final answer
    x = 103,650.46

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1.5x scale

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.