Home / 179,002.60-268,196.70-85,306.60

Finding the Fourth Proportional to 179,002.60, 268,196.70 and 85,306.60

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Solution

The fourth proportional to 179,002.60, 268,196.70 and 85,306.60 is: 127,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,002.60 : 268,196.70 = 85,306.60 : x
  2. Step 2: Convert to fraction form
    179,002.60/268,196.70 = 85,306.60/x
  3. Step 3: Cross multiply
    179,002.60x = 268,196.70 × 85,306.60
  4. Step 4: Simplify right side
    179,002.60x = 22,878,948,608.22
  5. Step 5: Solve for x
    x = 22,878,948,608.22/179,002.60
  6. Step 6: Final answer
    x = 127,813.50

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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.