Home / 226,715.46-312,867.26-124,738.79

Finding the Fourth Proportional to 226,715.46, 312,867.26 and 124,738.79

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Solution

The fourth proportional to 226,715.46, 312,867.26 and 124,738.79 is: 172,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,715.46 : 312,867.26 = 124,738.79 : x
  2. Step 2: Convert to fraction form
    226,715.46/312,867.26 = 124,738.79/x
  3. Step 3: Cross multiply
    226,715.46x = 312,867.26 × 124,738.79
  4. Step 4: Simplify right side
    226,715.46x = 39,026,681,722.76
  5. Step 5: Solve for x
    x = 39,026,681,722.76/226,715.46
  6. Step 6: Final answer
    x = 172,139.48

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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.