Home / 226,866.12-313,072.20-126,264.12

Finding the Fourth Proportional to 226,866.12, 313,072.20 and 126,264.12

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Solution

The fourth proportional to 226,866.12, 313,072.20 and 126,264.12 is: 174,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,866.12 : 313,072.20 = 126,264.12 : x
  2. Step 2: Convert to fraction form
    226,866.12/313,072.20 = 126,264.12/x
  3. Step 3: Cross multiply
    226,866.12x = 313,072.20 × 126,264.12
  4. Step 4: Simplify right side
    226,866.12x = 39,529,785,829.46
  5. Step 5: Solve for x
    x = 39,529,785,829.46/226,866.12
  6. Step 6: Final answer
    x = 174,242.79

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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.