Home / 136,769.88-205,110.52-45,561.08

Finding the Fourth Proportional to 136,769.88, 205,110.52 and 45,561.08

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Solution

The fourth proportional to 136,769.88, 205,110.52 and 45,561.08 is: 68,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,769.88 : 205,110.52 = 45,561.08 : x
  2. Step 2: Convert to fraction form
    136,769.88/205,110.52 = 45,561.08/x
  3. Step 3: Cross multiply
    136,769.88x = 205,110.52 × 45,561.08
  4. Step 4: Simplify right side
    136,769.88x = 9,345,056,810.56
  5. Step 5: Solve for x
    x = 9,345,056,810.56/136,769.88
  6. Step 6: Final answer
    x = 68,326.86

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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.