Home / 120,284.25-180,427.13-31,536.96

Finding the Fourth Proportional to 120,284.25, 180,427.13 and 31,536.96

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Solution

The fourth proportional to 120,284.25, 180,427.13 and 31,536.96 is: 47,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,284.25 : 180,427.13 = 31,536.96 : x
  2. Step 2: Convert to fraction form
    120,284.25/180,427.13 = 31,536.96/x
  3. Step 3: Cross multiply
    120,284.25x = 180,427.13 × 31,536.96
  4. Step 4: Simplify right side
    120,284.25x = 5,690,123,024.04
  5. Step 5: Solve for x
    x = 5,690,123,024.04/120,284.25
  6. Step 6: Final answer
    x = 47,305.64

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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.