Home / 120,384.20-180,605.10-50,224.52

Finding the Fourth Proportional to 120,384.20, 180,605.10 and 50,224.52

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Solution

The fourth proportional to 120,384.20, 180,605.10 and 50,224.52 is: 75,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384.20 : 180,605.10 = 50,224.52 : x
  2. Step 2: Convert to fraction form
    120,384.20/180,605.10 = 50,224.52/x
  3. Step 3: Cross multiply
    120,384.20x = 180,605.10 × 50,224.52
  4. Step 4: Simplify right side
    120,384.20x = 9,070,804,457.05
  5. Step 5: Solve for x
    x = 9,070,804,457.05/120,384.20
  6. Step 6: Final answer
    x = 75,348.80

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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.