Home / 120,016.77-180,047.03-41,138.97

Finding the Fourth Proportional to 120,016.77, 180,047.03 and 41,138.97

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Solution

The fourth proportional to 120,016.77, 180,047.03 and 41,138.97 is: 61,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,016.77 : 180,047.03 = 41,138.97 : x
  2. Step 2: Convert to fraction form
    120,016.77/180,047.03 = 41,138.97/x
  3. Step 3: Cross multiply
    120,016.77x = 180,047.03 × 41,138.97
  4. Step 4: Simplify right side
    120,016.77x = 7,406,949,160.06
  5. Step 5: Solve for x
    x = 7,406,949,160.06/120,016.77
  6. Step 6: Final answer
    x = 61,715.95

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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.