Home / 120,327.20-180,506.26-56,240.60

Finding the Fourth Proportional to 120,327.20, 180,506.26 and 56,240.60

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Solution

The fourth proportional to 120,327.20, 180,506.26 and 56,240.60 is: 84,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,327.20 : 180,506.26 = 56,240.60 : x
  2. Step 2: Convert to fraction form
    120,327.20/180,506.26 = 56,240.60/x
  3. Step 3: Cross multiply
    120,327.20x = 180,506.26 × 56,240.60
  4. Step 4: Simplify right side
    120,327.20x = 10,151,780,366.16
  5. Step 5: Solve for x
    x = 10,151,780,366.16/120,327.20
  6. Step 6: Final answer
    x = 84,368.13

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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.