Home / 120,386.32-180,591.42-44,504.74

Finding the Fourth Proportional to 120,386.32, 180,591.42 and 44,504.74

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Solution

The fourth proportional to 120,386.32, 180,591.42 and 44,504.74 is: 66,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,386.32 : 180,591.42 = 44,504.74 : x
  2. Step 2: Convert to fraction form
    120,386.32/180,591.42 = 44,504.74/x
  3. Step 3: Cross multiply
    120,386.32x = 180,591.42 × 44,504.74
  4. Step 4: Simplify right side
    120,386.32x = 8,037,173,067.85
  5. Step 5: Solve for x
    x = 8,037,173,067.85/120,386.32
  6. Step 6: Final answer
    x = 66,761.52

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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.