Home / 120,441.51-180,671.64-36,195.12

Finding the Fourth Proportional to 120,441.51, 180,671.64 and 36,195.12

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Solution

The fourth proportional to 120,441.51, 180,671.64 and 36,195.12 is: 54,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,441.51 : 180,671.64 = 36,195.12 : x
  2. Step 2: Convert to fraction form
    120,441.51/180,671.64 = 36,195.12/x
  3. Step 3: Cross multiply
    120,441.51x = 180,671.64 × 36,195.12
  4. Step 4: Simplify right side
    120,441.51x = 6,539,431,690.40
  5. Step 5: Solve for x
    x = 6,539,431,690.40/120,441.51
  6. Step 6: Final answer
    x = 54,295.50

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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.