Home / 154,400.60-231,611.70-65,644.04

Finding the Fourth Proportional to 154,400.60, 231,611.70 and 65,644.04

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Solution

The fourth proportional to 154,400.60, 231,611.70 and 65,644.04 is: 98,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,400.60 : 231,611.70 = 65,644.04 : x
  2. Step 2: Convert to fraction form
    154,400.60/231,611.70 = 65,644.04/x
  3. Step 3: Cross multiply
    154,400.60x = 231,611.70 × 65,644.04
  4. Step 4: Simplify right side
    154,400.60x = 15,203,927,699.27
  5. Step 5: Solve for x
    x = 15,203,927,699.27/154,400.60
  6. Step 6: Final answer
    x = 98,470.65

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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.