Home / 195,145.20-292,717.80-124,815.60

Finding the Fourth Proportional to 195,145.20, 292,717.80 and 124,815.60

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Solution

The fourth proportional to 195,145.20, 292,717.80 and 124,815.60 is: 187,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,145.20 : 292,717.80 = 124,815.60 : x
  2. Step 2: Convert to fraction form
    195,145.20/292,717.80 = 124,815.60/x
  3. Step 3: Cross multiply
    195,145.20x = 292,717.80 × 124,815.60
  4. Step 4: Simplify right side
    195,145.20x = 36,535,747,837.68
  5. Step 5: Solve for x
    x = 36,535,747,837.68/195,145.20
  6. Step 6: Final answer
    x = 187,223.40

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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.