Home / 195,078.12-292,612.92-89,897.19

Finding the Fourth Proportional to 195,078.12, 292,612.92 and 89,897.19

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Solution

The fourth proportional to 195,078.12, 292,612.92 and 89,897.19 is: 134,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,078.12 : 292,612.92 = 89,897.19 : x
  2. Step 2: Convert to fraction form
    195,078.12/292,612.92 = 89,897.19/x
  3. Step 3: Cross multiply
    195,078.12x = 292,612.92 × 89,897.19
  4. Step 4: Simplify right side
    195,078.12x = 26,305,079,265.69
  5. Step 5: Solve for x
    x = 26,305,079,265.69/195,078.12
  6. Step 6: Final answer
    x = 134,843.82

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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.