Home / 136,147.16-204,069.40-102,758.96

Finding the Fourth Proportional to 136,147.16, 204,069.40 and 102,758.96

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Solution

The fourth proportional to 136,147.16, 204,069.40 and 102,758.96 is: 154,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,147.16 : 204,069.40 = 102,758.96 : x
  2. Step 2: Convert to fraction form
    136,147.16/204,069.40 = 102,758.96/x
  3. Step 3: Cross multiply
    136,147.16x = 204,069.40 × 102,758.96
  4. Step 4: Simplify right side
    136,147.16x = 20,969,959,311.82
  5. Step 5: Solve for x
    x = 20,969,959,311.82/136,147.16
  6. Step 6: Final answer
    x = 154,024.21

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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.