Home / 143,082.10-214,623.15-109,969.30

Finding the Fourth Proportional to 143,082.10, 214,623.15 and 109,969.30

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Solution

The fourth proportional to 143,082.10, 214,623.15 and 109,969.30 is: 164,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,082.10 : 214,623.15 = 109,969.30 : x
  2. Step 2: Convert to fraction form
    143,082.10/214,623.15 = 109,969.30/x
  3. Step 3: Cross multiply
    143,082.10x = 214,623.15 × 109,969.30
  4. Step 4: Simplify right side
    143,082.10x = 23,601,957,569.30
  5. Step 5: Solve for x
    x = 23,601,957,569.30/143,082.10
  6. Step 6: Final answer
    x = 164,953.95

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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.