Home / 120,616.26-180,889.83-40,645.50

Finding the Fourth Proportional to 120,616.26, 180,889.83 and 40,645.50

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Solution

The fourth proportional to 120,616.26, 180,889.83 and 40,645.50 is: 60,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,616.26 : 180,889.83 = 40,645.50 : x
  2. Step 2: Convert to fraction form
    120,616.26/180,889.83 = 40,645.50/x
  3. Step 3: Cross multiply
    120,616.26x = 180,889.83 × 40,645.50
  4. Step 4: Simplify right side
    120,616.26x = 7,352,357,585.27
  5. Step 5: Solve for x
    x = 7,352,357,585.27/120,616.26
  6. Step 6: Final answer
    x = 60,956.60

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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.