Home / 251,774.39-347,455.92-137,060.47

Finding the Fourth Proportional to 251,774.39, 347,455.92 and 137,060.47

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Solution

The fourth proportional to 251,774.39, 347,455.92 and 137,060.47 is: 189,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,774.39 : 347,455.92 = 137,060.47 : x
  2. Step 2: Convert to fraction form
    251,774.39/347,455.92 = 137,060.47/x
  3. Step 3: Cross multiply
    251,774.39x = 347,455.92 × 137,060.47
  4. Step 4: Simplify right side
    251,774.39x = 47,622,469,962.20
  5. Step 5: Solve for x
    x = 47,622,469,962.20/251,774.39
  6. Step 6: Final answer
    x = 189,147.39

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1.5x scale

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.