Home / 136,250.28-204,384.06-42,759.72

Finding the Fourth Proportional to 136,250.28, 204,384.06 and 42,759.72

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Solution

The fourth proportional to 136,250.28, 204,384.06 and 42,759.72 is: 64,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,250.28 : 204,384.06 = 42,759.72 : x
  2. Step 2: Convert to fraction form
    136,250.28/204,384.06 = 42,759.72/x
  3. Step 3: Cross multiply
    136,250.28x = 204,384.06 × 42,759.72
  4. Step 4: Simplify right side
    136,250.28x = 8,739,405,178.06
  5. Step 5: Solve for x
    x = 8,739,405,178.06/136,250.28
  6. Step 6: Final answer
    x = 64,142.29

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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.