Home / 225,840.92-311,666.18-127,716.30

Finding the Fourth Proportional to 225,840.92, 311,666.18 and 127,716.30

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Solution

The fourth proportional to 225,840.92, 311,666.18 and 127,716.30 is: 176,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,840.92 : 311,666.18 = 127,716.30 : x
  2. Step 2: Convert to fraction form
    225,840.92/311,666.18 = 127,716.30/x
  3. Step 3: Cross multiply
    225,840.92x = 311,666.18 × 127,716.30
  4. Step 4: Simplify right side
    225,840.92x = 39,804,850,706.15
  5. Step 5: Solve for x
    x = 39,804,850,706.15/225,840.92
  6. Step 6: Final answer
    x = 176,251.72

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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.