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Finding the Fourth Proportional to 167,493.40, 251,240.10 and 165,743.80

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Solution

The fourth proportional to 167,493.40, 251,240.10 and 165,743.80 is: 248,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.40 : 251,240.10 = 165,743.80 : x
  2. Step 2: Convert to fraction form
    167,493.40/251,240.10 = 165,743.80/x
  3. Step 3: Cross multiply
    167,493.40x = 251,240.10 × 165,743.80
  4. Step 4: Simplify right side
    167,493.40x = 41,641,488,886.38
  5. Step 5: Solve for x
    x = 41,641,488,886.38/167,493.40
  6. Step 6: Final answer
    x = 248,615.70

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1.5x scale

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.