Home / 154,557.20-231,544.20-144,059.60

Finding the Fourth Proportional to 154,557.20, 231,544.20 and 144,059.60

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Solution

The fourth proportional to 154,557.20, 231,544.20 and 144,059.60 is: 215,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557.20 : 231,544.20 = 144,059.60 : x
  2. Step 2: Convert to fraction form
    154,557.20/231,544.20 = 144,059.60/x
  3. Step 3: Cross multiply
    154,557.20x = 231,544.20 × 144,059.60
  4. Step 4: Simplify right side
    154,557.20x = 33,356,164,834.32
  5. Step 5: Solve for x
    x = 33,356,164,834.32/154,557.20
  6. Step 6: Final answer
    x = 215,817.61

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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.