Home / 120,339.48-180,527.04-112,958.76

Finding the Fourth Proportional to 120,339.48, 180,527.04 and 112,958.76

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Solution

The fourth proportional to 120,339.48, 180,527.04 and 112,958.76 is: 169,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,339.48 : 180,527.04 = 112,958.76 : x
  2. Step 2: Convert to fraction form
    120,339.48/180,527.04 = 112,958.76/x
  3. Step 3: Cross multiply
    120,339.48x = 180,527.04 × 112,958.76
  4. Step 4: Simplify right side
    120,339.48x = 20,392,110,584.87
  5. Step 5: Solve for x
    x = 20,392,110,584.87/120,339.48
  6. Step 6: Final answer
    x = 169,454.87

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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.