Home / 225,222.13-310,806.51-123,247.61

Finding the Fourth Proportional to 225,222.13, 310,806.51 and 123,247.61

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Solution

The fourth proportional to 225,222.13, 310,806.51 and 123,247.61 is: 170,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,222.13 : 310,806.51 = 123,247.61 : x
  2. Step 2: Convert to fraction form
    225,222.13/310,806.51 = 123,247.61/x
  3. Step 3: Cross multiply
    225,222.13x = 310,806.51 × 123,247.61
  4. Step 4: Simplify right side
    225,222.13x = 38,306,159,529.94
  5. Step 5: Solve for x
    x = 38,306,159,529.94/225,222.13
  6. Step 6: Final answer
    x = 170,081.69

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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.