Home / 154,542.60-231,813.90-99,246.60

Finding the Fourth Proportional to 154,542.60, 231,813.90 and 99,246.60

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Solution

The fourth proportional to 154,542.60, 231,813.90 and 99,246.60 is: 148,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,542.60 : 231,813.90 = 99,246.60 : x
  2. Step 2: Convert to fraction form
    154,542.60/231,813.90 = 99,246.60/x
  3. Step 3: Cross multiply
    154,542.60x = 231,813.90 × 99,246.60
  4. Step 4: Simplify right side
    154,542.60x = 23,006,741,407.74
  5. Step 5: Solve for x
    x = 23,006,741,407.74/154,542.60
  6. Step 6: Final answer
    x = 148,869.90

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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.