Home / 136,020.70-204,031.05-135,145.90

Finding the Fourth Proportional to 136,020.70, 204,031.05 and 135,145.90

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Solution

The fourth proportional to 136,020.70, 204,031.05 and 135,145.90 is: 202,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,020.70 : 204,031.05 = 135,145.90 : x
  2. Step 2: Convert to fraction form
    136,020.70/204,031.05 = 135,145.90/x
  3. Step 3: Cross multiply
    136,020.70x = 204,031.05 × 135,145.90
  4. Step 4: Simplify right side
    136,020.70x = 27,573,959,880.20
  5. Step 5: Solve for x
    x = 27,573,959,880.20/136,020.70
  6. Step 6: Final answer
    x = 202,718.85

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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.