Home / 120,101.12-180,054.40-50,032.88

Finding the Fourth Proportional to 120,101.12, 180,054.40 and 50,032.88

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Solution

The fourth proportional to 120,101.12, 180,054.40 and 50,032.88 is: 75,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,101.12 : 180,054.40 = 50,032.88 : x
  2. Step 2: Convert to fraction form
    120,101.12/180,054.40 = 50,032.88/x
  3. Step 3: Cross multiply
    120,101.12x = 180,054.40 × 50,032.88
  4. Step 4: Simplify right side
    120,101.12x = 9,008,640,188.67
  5. Step 5: Solve for x
    x = 9,008,640,188.67/120,101.12
  6. Step 6: Final answer
    x = 75,008.79

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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.