Home / 144,145.12-216,229.20-50,671.84

Finding the Fourth Proportional to 144,145.12, 216,229.20 and 50,671.84

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Solution

The fourth proportional to 144,145.12, 216,229.20 and 50,671.84 is: 76,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,145.12 : 216,229.20 = 50,671.84 : x
  2. Step 2: Convert to fraction form
    144,145.12/216,229.20 = 50,671.84/x
  3. Step 3: Cross multiply
    144,145.12x = 216,229.20 × 50,671.84
  4. Step 4: Simplify right side
    144,145.12x = 10,956,731,425.73
  5. Step 5: Solve for x
    x = 10,956,731,425.73/144,145.12
  6. Step 6: Final answer
    x = 76,011.81

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1.5x scale

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.