Home / 120,277.88-180,456.89-40,323.75

Finding the Fourth Proportional to 120,277.88, 180,456.89 and 40,323.75

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Solution

The fourth proportional to 120,277.88, 180,456.89 and 40,323.75 is: 60,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,277.88 : 180,456.89 = 40,323.75 : x
  2. Step 2: Convert to fraction form
    120,277.88/180,456.89 = 40,323.75/x
  3. Step 3: Cross multiply
    120,277.88x = 180,456.89 × 40,323.75
  4. Step 4: Simplify right side
    120,277.88x = 7,276,697,716.66
  5. Step 5: Solve for x
    x = 7,276,697,716.66/120,277.88
  6. Step 6: Final answer
    x = 60,499.05

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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.