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Finding the Fourth Proportional to 120,180.76, 180,008.40 and 60,914.68

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Solution

The fourth proportional to 120,180.76, 180,008.40 and 60,914.68 is: 91,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,180.76 : 180,008.40 = 60,914.68 : x
  2. Step 2: Convert to fraction form
    120,180.76/180,008.40 = 60,914.68/x
  3. Step 3: Cross multiply
    120,180.76x = 180,008.40 × 60,914.68
  4. Step 4: Simplify right side
    120,180.76x = 10,965,154,083.31
  5. Step 5: Solve for x
    x = 10,965,154,083.31/120,180.76
  6. Step 6: Final answer
    x = 91,238.85

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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.