Home / 220,087.20-330,152.67-79,856.76

Finding the Fourth Proportional to 220,087.20, 330,152.67 and 79,856.76

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Solution

The fourth proportional to 220,087.20, 330,152.67 and 79,856.76 is: 119,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,087.20 : 330,152.67 = 79,856.76 : x
  2. Step 2: Convert to fraction form
    220,087.20/330,152.67 = 79,856.76/x
  3. Step 3: Cross multiply
    220,087.20x = 330,152.67 × 79,856.76
  4. Step 4: Simplify right side
    220,087.20x = 26,364,922,531.55
  5. Step 5: Solve for x
    x = 26,364,922,531.55/220,087.20
  6. Step 6: Final answer
    x = 119,793.08

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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.