Home / 137,325.60-206,811.38-120,865.59

Finding the Fourth Proportional to 137,325.60, 206,811.38 and 120,865.59

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Solution

The fourth proportional to 137,325.60, 206,811.38 and 120,865.59 is: 182,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,325.60 : 206,811.38 = 120,865.59 : x
  2. Step 2: Convert to fraction form
    137,325.60/206,811.38 = 120,865.59/x
  3. Step 3: Cross multiply
    137,325.60x = 206,811.38 × 120,865.59
  4. Step 4: Simplify right side
    137,325.60x = 24,996,379,764.58
  5. Step 5: Solve for x
    x = 24,996,379,764.58/137,325.60
  6. Step 6: Final answer
    x = 182,022.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.