Home / 195,395.38-292,896.15-77,020.90

Finding the Fourth Proportional to 195,395.38, 292,896.15 and 77,020.90

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Solution

The fourth proportional to 195,395.38, 292,896.15 and 77,020.90 is: 115,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,395.38 : 292,896.15 = 77,020.90 : x
  2. Step 2: Convert to fraction form
    195,395.38/292,896.15 = 77,020.90/x
  3. Step 3: Cross multiply
    195,395.38x = 292,896.15 × 77,020.90
  4. Step 4: Simplify right side
    195,395.38x = 22,559,125,079.54
  5. Step 5: Solve for x
    x = 22,559,125,079.54/195,395.38
  6. Step 6: Final answer
    x = 115,453.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.