Home / 251,932.52-347,659.88-137,208.65

Finding the Fourth Proportional to 251,932.52, 347,659.88 and 137,208.65

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Solution

The fourth proportional to 251,932.52, 347,659.88 and 137,208.65 is: 189,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,932.52 : 347,659.88 = 137,208.65 : x
  2. Step 2: Convert to fraction form
    251,932.52/347,659.88 = 137,208.65/x
  3. Step 3: Cross multiply
    251,932.52x = 347,659.88 × 137,208.65
  4. Step 4: Simplify right side
    251,932.52x = 47,701,943,886.20
  5. Step 5: Solve for x
    x = 47,701,943,886.20/251,932.52
  6. Step 6: Final answer
    x = 189,344.13

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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.