Home / 202,721.08-279,760.93-112,082.90

Finding the Fourth Proportional to 202,721.08, 279,760.93 and 112,082.90

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Solution

The fourth proportional to 202,721.08, 279,760.93 and 112,082.90 is: 154,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,721.08 : 279,760.93 = 112,082.90 : x
  2. Step 2: Convert to fraction form
    202,721.08/279,760.93 = 112,082.90/x
  3. Step 3: Cross multiply
    202,721.08x = 279,760.93 × 112,082.90
  4. Step 4: Simplify right side
    202,721.08x = 31,356,416,079.38
  5. Step 5: Solve for x
    x = 31,356,416,079.38/202,721.08
  6. Step 6: Final answer
    x = 154,677.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.