Home / 159,049.35-219,325.38-105,314.76

Finding the Fourth Proportional to 159,049.35, 219,325.38 and 105,314.76

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Solution

The fourth proportional to 159,049.35, 219,325.38 and 105,314.76 is: 145,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,049.35 : 219,325.38 = 105,314.76 : x
  2. Step 2: Convert to fraction form
    159,049.35/219,325.38 = 105,314.76/x
  3. Step 3: Cross multiply
    159,049.35x = 219,325.38 × 105,314.76
  4. Step 4: Simplify right side
    159,049.35x = 23,098,199,756.61
  5. Step 5: Solve for x
    x = 23,098,199,756.61/159,049.35
  6. Step 6: Final answer
    x = 145,226.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.