Home / 136,178.40-204,267.84-42,691.44

Finding the Fourth Proportional to 136,178.40, 204,267.84 and 42,691.44

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Solution

The fourth proportional to 136,178.40, 204,267.84 and 42,691.44 is: 64,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,178.40 : 204,267.84 = 42,691.44 : x
  2. Step 2: Convert to fraction form
    136,178.40/204,267.84 = 42,691.44/x
  3. Step 3: Cross multiply
    136,178.40x = 204,267.84 × 42,691.44
  4. Step 4: Simplify right side
    136,178.40x = 8,720,488,235.29
  5. Step 5: Solve for x
    x = 8,720,488,235.29/136,178.40
  6. Step 6: Final answer
    x = 64,037.24

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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.