Home / 119,942.64-165,534.88-99,763.92

Finding the Fourth Proportional to 119,942.64, 165,534.88 and 99,763.92

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Solution

The fourth proportional to 119,942.64, 165,534.88 and 99,763.92 is: 137,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,942.64 : 165,534.88 = 99,763.92 : x
  2. Step 2: Convert to fraction form
    119,942.64/165,534.88 = 99,763.92/x
  3. Step 3: Cross multiply
    119,942.64x = 165,534.88 × 99,763.92
  4. Step 4: Simplify right side
    119,942.64x = 16,514,408,525.53
  5. Step 5: Solve for x
    x = 16,514,408,525.53/119,942.64
  6. Step 6: Final answer
    x = 137,685.88

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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.