Home / 120,440.28-180,683.10-50,326.68

Finding the Fourth Proportional to 120,440.28, 180,683.10 and 50,326.68

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Solution

The fourth proportional to 120,440.28, 180,683.10 and 50,326.68 is: 75,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,440.28 : 180,683.10 = 50,326.68 : x
  2. Step 2: Convert to fraction form
    120,440.28/180,683.10 = 50,326.68/x
  3. Step 3: Cross multiply
    120,440.28x = 180,683.10 × 50,326.68
  4. Step 4: Simplify right side
    120,440.28x = 9,093,180,555.11
  5. Step 5: Solve for x
    x = 9,093,180,555.11/120,440.28
  6. Step 6: Final answer
    x = 75,499.50

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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.