Home / 136,039.15-204,004.05-51,770.40

Finding the Fourth Proportional to 136,039.15, 204,004.05 and 51,770.40

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Solution

The fourth proportional to 136,039.15, 204,004.05 and 51,770.40 is: 77,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,039.15 : 204,004.05 = 51,770.40 : x
  2. Step 2: Convert to fraction form
    136,039.15/204,004.05 = 51,770.40/x
  3. Step 3: Cross multiply
    136,039.15x = 204,004.05 × 51,770.40
  4. Step 4: Simplify right side
    136,039.15x = 10,561,371,270.12
  5. Step 5: Solve for x
    x = 10,561,371,270.12/136,039.15
  6. Step 6: Final answer
    x = 77,634.79

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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.