Home / 202,399.04-279,309.36-111,760.76

Finding the Fourth Proportional to 202,399.04, 279,309.36 and 111,760.76

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Solution

The fourth proportional to 202,399.04, 279,309.36 and 111,760.76 is: 154,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,399.04 : 279,309.36 = 111,760.76 : x
  2. Step 2: Convert to fraction form
    202,399.04/279,309.36 = 111,760.76/x
  3. Step 3: Cross multiply
    202,399.04x = 279,309.36 × 111,760.76
  4. Step 4: Simplify right side
    202,399.04x = 31,215,826,348.71
  5. Step 5: Solve for x
    x = 31,215,826,348.71/202,399.04
  6. Step 6: Final answer
    x = 154,229.12

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1.5x scale

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.