Home / 189,932.23-262,113.33-105,049.90

Finding the Fourth Proportional to 189,932.23, 262,113.33 and 105,049.90

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Solution

The fourth proportional to 189,932.23, 262,113.33 and 105,049.90 is: 144,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932.23 : 262,113.33 = 105,049.90 : x
  2. Step 2: Convert to fraction form
    189,932.23/262,113.33 = 105,049.90/x
  3. Step 3: Cross multiply
    189,932.23x = 262,113.33 × 105,049.90
  4. Step 4: Simplify right side
    189,932.23x = 27,534,979,105.17
  5. Step 5: Solve for x
    x = 27,534,979,105.17/189,932.23
  6. Step 6: Final answer
    x = 144,972.65

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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.