Home / 132,209.64-198,145.98-61,934.04

Finding the Fourth Proportional to 132,209.64, 198,145.98 and 61,934.04

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Solution

The fourth proportional to 132,209.64, 198,145.98 and 61,934.04 is: 92,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,209.64 : 198,145.98 = 61,934.04 : x
  2. Step 2: Convert to fraction form
    132,209.64/198,145.98 = 61,934.04/x
  3. Step 3: Cross multiply
    132,209.64x = 198,145.98 × 61,934.04
  4. Step 4: Simplify right side
    132,209.64x = 12,271,981,051.16
  5. Step 5: Solve for x
    x = 12,271,981,051.16/132,209.64
  6. Step 6: Final answer
    x = 92,822.13

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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.