Home / 226,763.28-312,932.70-124,790.76

Finding the Fourth Proportional to 226,763.28, 312,932.70 and 124,790.76

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Solution

The fourth proportional to 226,763.28, 312,932.70 and 124,790.76 is: 172,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,763.28 : 312,932.70 = 124,790.76 : x
  2. Step 2: Convert to fraction form
    226,763.28/312,932.70 = 124,790.76/x
  3. Step 3: Cross multiply
    226,763.28x = 312,932.70 × 124,790.76
  4. Step 4: Simplify right side
    226,763.28x = 39,051,109,461.85
  5. Step 5: Solve for x
    x = 39,051,109,461.85/226,763.28
  6. Step 6: Final answer
    x = 172,210.90

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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.