Home / 120,316.08-180,471.98-41,428.56

Finding the Fourth Proportional to 120,316.08, 180,471.98 and 41,428.56

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Solution

The fourth proportional to 120,316.08, 180,471.98 and 41,428.56 is: 62,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,316.08 : 180,471.98 = 41,428.56 : x
  2. Step 2: Convert to fraction form
    120,316.08/180,471.98 = 41,428.56/x
  3. Step 3: Cross multiply
    120,316.08x = 180,471.98 × 41,428.56
  4. Step 4: Simplify right side
    120,316.08x = 7,476,694,251.75
  5. Step 5: Solve for x
    x = 7,476,694,251.75/120,316.08
  6. Step 6: Final answer
    x = 62,142.10

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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.