Home / 136,185.31-204,278.87-47,440.49

Finding the Fourth Proportional to 136,185.31, 204,278.87 and 47,440.49

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Solution

The fourth proportional to 136,185.31, 204,278.87 and 47,440.49 is: 71,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,185.31 : 204,278.87 = 47,440.49 : x
  2. Step 2: Convert to fraction form
    136,185.31/204,278.87 = 47,440.49/x
  3. Step 3: Cross multiply
    136,185.31x = 204,278.87 × 47,440.49
  4. Step 4: Simplify right side
    136,185.31x = 9,691,090,318.74
  5. Step 5: Solve for x
    x = 9,691,090,318.74/136,185.31
  6. Step 6: Final answer
    x = 71,161.06

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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.