Home / 120,370.50-180,555.30-36,130.29

Finding the Fourth Proportional to 120,370.50, 180,555.30 and 36,130.29

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Solution

The fourth proportional to 120,370.50, 180,555.30 and 36,130.29 is: 54,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,370.50 : 180,555.30 = 36,130.29 : x
  2. Step 2: Convert to fraction form
    120,370.50/180,555.30 = 36,130.29/x
  3. Step 3: Cross multiply
    120,370.50x = 180,555.30 × 36,130.29
  4. Step 4: Simplify right side
    120,370.50x = 6,523,515,350.04
  5. Step 5: Solve for x
    x = 6,523,515,350.04/120,370.50
  6. Step 6: Final answer
    x = 54,195.30

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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.