Home / 251,454.43-347,007.51-136,732.95

Finding the Fourth Proportional to 251,454.43, 347,007.51 and 136,732.95

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Solution

The fourth proportional to 251,454.43, 347,007.51 and 136,732.95 is: 188,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,454.43 : 347,007.51 = 136,732.95 : x
  2. Step 2: Convert to fraction form
    251,454.43/347,007.51 = 136,732.95/x
  3. Step 3: Cross multiply
    251,454.43x = 347,007.51 × 136,732.95
  4. Step 4: Simplify right side
    251,454.43x = 47,447,360,514.45
  5. Step 5: Solve for x
    x = 47,447,360,514.45/251,454.43
  6. Step 6: Final answer
    x = 188,691.69

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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.