Home / 136,117.38-203,895.15-79,786.44

Finding the Fourth Proportional to 136,117.38, 203,895.15 and 79,786.44

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Solution

The fourth proportional to 136,117.38, 203,895.15 and 79,786.44 is: 119,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,117.38 : 203,895.15 = 79,786.44 : x
  2. Step 2: Convert to fraction form
    136,117.38/203,895.15 = 79,786.44/x
  3. Step 3: Cross multiply
    136,117.38x = 203,895.15 × 79,786.44
  4. Step 4: Simplify right side
    136,117.38x = 16,268,068,151.77
  5. Step 5: Solve for x
    x = 16,268,068,151.77/136,117.38
  6. Step 6: Final answer
    x = 119,515.00

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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.