Home / 136,678.64-205,047.66-41,909.18

Finding the Fourth Proportional to 136,678.64, 205,047.66 and 41,909.18

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Solution

The fourth proportional to 136,678.64, 205,047.66 and 41,909.18 is: 62,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,678.64 : 205,047.66 = 41,909.18 : x
  2. Step 2: Convert to fraction form
    136,678.64/205,047.66 = 41,909.18/x
  3. Step 3: Cross multiply
    136,678.64x = 205,047.66 × 41,909.18
  4. Step 4: Simplify right side
    136,678.64x = 8,593,379,291.52
  5. Step 5: Solve for x
    x = 8,593,379,291.52/136,678.64
  6. Step 6: Final answer
    x = 62,872.88

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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.