Home / 136,422.30-204,583.56-52,140.79

Finding the Fourth Proportional to 136,422.30, 204,583.56 and 52,140.79

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Solution

The fourth proportional to 136,422.30, 204,583.56 and 52,140.79 is: 78,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,422.30 : 204,583.56 = 52,140.79 : x
  2. Step 2: Convert to fraction form
    136,422.30/204,583.56 = 52,140.79/x
  3. Step 3: Cross multiply
    136,422.30x = 204,583.56 × 52,140.79
  4. Step 4: Simplify right side
    136,422.30x = 10,667,148,144.19
  5. Step 5: Solve for x
    x = 10,667,148,144.19/136,422.30
  6. Step 6: Final answer
    x = 78,192.11

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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.