Home / 120,433.27-180,551.22-45,510.79

Finding the Fourth Proportional to 120,433.27, 180,551.22 and 45,510.79

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Solution

The fourth proportional to 120,433.27, 180,551.22 and 45,510.79 is: 68,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,433.27 : 180,551.22 = 45,510.79 : x
  2. Step 2: Convert to fraction form
    120,433.27/180,551.22 = 45,510.79/x
  3. Step 3: Cross multiply
    120,433.27x = 180,551.22 × 45,510.79
  4. Step 4: Simplify right side
    120,433.27x = 8,217,028,657.66
  5. Step 5: Solve for x
    x = 8,217,028,657.66/120,433.27
  6. Step 6: Final answer
    x = 68,228.89

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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.