Home / 120,218.88-180,333.36-31,473.84

Finding the Fourth Proportional to 120,218.88, 180,333.36 and 31,473.84

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Solution

The fourth proportional to 120,218.88, 180,333.36 and 31,473.84 is: 47,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,218.88 : 180,333.36 = 31,473.84 : x
  2. Step 2: Convert to fraction form
    120,218.88/180,333.36 = 31,473.84/x
  3. Step 3: Cross multiply
    120,218.88x = 180,333.36 × 31,473.84
  4. Step 4: Simplify right side
    120,218.88x = 5,675,783,319.30
  5. Step 5: Solve for x
    x = 5,675,783,319.30/120,218.88
  6. Step 6: Final answer
    x = 47,212.08

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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.