Home / 120,453.48-180,698.04-113,072.76

Finding the Fourth Proportional to 120,453.48, 180,698.04 and 113,072.76

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Solution

The fourth proportional to 120,453.48, 180,698.04 and 113,072.76 is: 169,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,453.48 : 180,698.04 = 113,072.76 : x
  2. Step 2: Convert to fraction form
    120,453.48/180,698.04 = 113,072.76/x
  3. Step 3: Cross multiply
    120,453.48x = 180,698.04 × 113,072.76
  4. Step 4: Simplify right side
    120,453.48x = 20,432,026,109.39
  5. Step 5: Solve for x
    x = 20,432,026,109.39/120,453.48
  6. Step 6: Final answer
    x = 169,625.87

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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.