Home / 120,273.90-180,410.85-50,144.10

Finding the Fourth Proportional to 120,273.90, 180,410.85 and 50,144.10

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Solution

The fourth proportional to 120,273.90, 180,410.85 and 50,144.10 is: 75,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,273.90 : 180,410.85 = 50,144.10 : x
  2. Step 2: Convert to fraction form
    120,273.90/180,410.85 = 50,144.10/x
  3. Step 3: Cross multiply
    120,273.90x = 180,410.85 × 50,144.10
  4. Step 4: Simplify right side
    120,273.90x = 9,046,539,703.49
  5. Step 5: Solve for x
    x = 9,046,539,703.49/120,273.90
  6. Step 6: Final answer
    x = 75,216.15

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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.