Home / 136,213.20-204,319.80-61,359.48

Finding the Fourth Proportional to 136,213.20, 204,319.80 and 61,359.48

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Solution

The fourth proportional to 136,213.20, 204,319.80 and 61,359.48 is: 92,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,213.20 : 204,319.80 = 61,359.48 : x
  2. Step 2: Convert to fraction form
    136,213.20/204,319.80 = 61,359.48/x
  3. Step 3: Cross multiply
    136,213.20x = 204,319.80 × 61,359.48
  4. Step 4: Simplify right side
    136,213.20x = 12,536,956,681.70
  5. Step 5: Solve for x
    x = 12,536,956,681.70/136,213.20
  6. Step 6: Final answer
    x = 92,039.22

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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.