Home / 144,529.10-216,793.65-100,205.90

Finding the Fourth Proportional to 144,529.10, 216,793.65 and 100,205.90

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Solution

The fourth proportional to 144,529.10, 216,793.65 and 100,205.90 is: 150,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,529.10 : 216,793.65 = 100,205.90 : x
  2. Step 2: Convert to fraction form
    144,529.10/216,793.65 = 100,205.90/x
  3. Step 3: Cross multiply
    144,529.10x = 216,793.65 × 100,205.90
  4. Step 4: Simplify right side
    144,529.10x = 21,724,002,812.54
  5. Step 5: Solve for x
    x = 21,724,002,812.54/144,529.10
  6. Step 6: Final answer
    x = 150,308.85

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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.