Home / 226,892.12-313,111.02-126,313.88

Finding the Fourth Proportional to 226,892.12, 313,111.02 and 126,313.88

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Solution

The fourth proportional to 226,892.12, 313,111.02 and 126,313.88 is: 174,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,892.12 : 313,111.02 = 126,313.88 : x
  2. Step 2: Convert to fraction form
    226,892.12/313,111.02 = 126,313.88/x
  3. Step 3: Cross multiply
    226,892.12x = 313,111.02 × 126,313.88
  4. Step 4: Simplify right side
    226,892.12x = 39,550,267,806.96
  5. Step 5: Solve for x
    x = 39,550,267,806.96/226,892.12
  6. Step 6: Final answer
    x = 174,313.10

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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.