Home / 226,162.11-312,089.76-124,187.16

Finding the Fourth Proportional to 226,162.11, 312,089.76 and 124,187.16

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Solution

The fourth proportional to 226,162.11, 312,089.76 and 124,187.16 is: 171,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,162.11 : 312,089.76 = 124,187.16 : x
  2. Step 2: Convert to fraction form
    226,162.11/312,089.76 = 124,187.16/x
  3. Step 3: Cross multiply
    226,162.11x = 312,089.76 × 124,187.16
  4. Step 4: Simplify right side
    226,162.11x = 38,757,540,959.48
  5. Step 5: Solve for x
    x = 38,757,540,959.48/226,162.11
  6. Step 6: Final answer
    x = 171,370.62

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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.