Home / 204,077.60-306,036.30-77,650.70

Finding the Fourth Proportional to 204,077.60, 306,036.30 and 77,650.70

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Solution

The fourth proportional to 204,077.60, 306,036.30 and 77,650.70 is: 116,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,077.60 : 306,036.30 = 77,650.70 : x
  2. Step 2: Convert to fraction form
    204,077.60/306,036.30 = 77,650.70/x
  3. Step 3: Cross multiply
    204,077.60x = 306,036.30 × 77,650.70
  4. Step 4: Simplify right side
    204,077.60x = 23,763,932,920.41
  5. Step 5: Solve for x
    x = 23,763,932,920.41/204,077.60
  6. Step 6: Final answer
    x = 116,445.57

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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.