Home / 154,520.20-231,722.70-61,006.60

Finding the Fourth Proportional to 154,520.20, 231,722.70 and 61,006.60

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Solution

The fourth proportional to 154,520.20, 231,722.70 and 61,006.60 is: 91,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,520.20 : 231,722.70 = 61,006.60 : x
  2. Step 2: Convert to fraction form
    154,520.20/231,722.70 = 61,006.60/x
  3. Step 3: Cross multiply
    154,520.20x = 231,722.70 × 61,006.60
  4. Step 4: Simplify right side
    154,520.20x = 14,136,614,069.82
  5. Step 5: Solve for x
    x = 14,136,614,069.82/154,520.20
  6. Step 6: Final answer
    x = 91,487.16

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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.