Home / 121,537.40-182,306.10-110,456.60

Finding the Fourth Proportional to 121,537.40, 182,306.10 and 110,456.60

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Solution

The fourth proportional to 121,537.40, 182,306.10 and 110,456.60 is: 165,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,537.40 : 182,306.10 = 110,456.60 : x
  2. Step 2: Convert to fraction form
    121,537.40/182,306.10 = 110,456.60/x
  3. Step 3: Cross multiply
    121,537.40x = 182,306.10 × 110,456.60
  4. Step 4: Simplify right side
    121,537.40x = 20,136,911,965.26
  5. Step 5: Solve for x
    x = 20,136,911,965.26/121,537.40
  6. Step 6: Final answer
    x = 165,684.90

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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.