Home / 251,169.12-346,612-136,446.85

Finding the Fourth Proportional to 251,169.12, 346,612 and 136,446.85

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Solution

The fourth proportional to 251,169.12, 346,612 and 136,446.85 is: 188,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,169.12 : 346,612 = 136,446.85 : x
  2. Step 2: Convert to fraction form
    251,169.12/346,612 = 136,446.85/x
  3. Step 3: Cross multiply
    251,169.12x = 346,612 × 136,446.85
  4. Step 4: Simplify right side
    251,169.12x = 47,294,115,572.20
  5. Step 5: Solve for x
    x = 47,294,115,572.20/251,169.12
  6. Step 6: Final answer
    x = 188,295.90

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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.