Home / 154,060.60-231,263.70-91,766.20

Finding the Fourth Proportional to 154,060.60, 231,263.70 and 91,766.20

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Solution

The fourth proportional to 154,060.60, 231,263.70 and 91,766.20 is: 137,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,060.60 : 231,263.70 = 91,766.20 : x
  2. Step 2: Convert to fraction form
    154,060.60/231,263.70 = 91,766.20/x
  3. Step 3: Cross multiply
    154,060.60x = 231,263.70 × 91,766.20
  4. Step 4: Simplify right side
    154,060.60x = 21,222,190,946.94
  5. Step 5: Solve for x
    x = 21,222,190,946.94/154,060.60
  6. Step 6: Final answer
    x = 137,752.23

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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.