Home / 148,132.13-204,422.74-81,064.13

Finding the Fourth Proportional to 148,132.13, 204,422.74 and 81,064.13

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Solution

The fourth proportional to 148,132.13, 204,422.74 and 81,064.13 is: 111,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,132.13 : 204,422.74 = 81,064.13 : x
  2. Step 2: Convert to fraction form
    148,132.13/204,422.74 = 81,064.13/x
  3. Step 3: Cross multiply
    148,132.13x = 204,422.74 × 81,064.13
  4. Step 4: Simplify right side
    148,132.13x = 16,571,350,345.54
  5. Step 5: Solve for x
    x = 16,571,350,345.54/148,132.13
  6. Step 6: Final answer
    x = 111,868.71

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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.