Home / 120,082.29-180,127.08-41,195.38

Finding the Fourth Proportional to 120,082.29, 180,127.08 and 41,195.38

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Solution

The fourth proportional to 120,082.29, 180,127.08 and 41,195.38 is: 61,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,082.29 : 180,127.08 = 41,195.38 : x
  2. Step 2: Convert to fraction form
    120,082.29/180,127.08 = 41,195.38/x
  3. Step 3: Cross multiply
    120,082.29x = 180,127.08 × 41,195.38
  4. Step 4: Simplify right side
    120,082.29x = 7,420,403,508.89
  5. Step 5: Solve for x
    x = 7,420,403,508.89/120,082.29
  6. Step 6: Final answer
    x = 61,794.32

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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.