Home / 163,313.46-225,370.89-91,691.82

Finding the Fourth Proportional to 163,313.46, 225,370.89 and 91,691.82

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Solution

The fourth proportional to 163,313.46, 225,370.89 and 91,691.82 is: 126,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,313.46 : 225,370.89 = 91,691.82 : x
  2. Step 2: Convert to fraction form
    163,313.46/225,370.89 = 91,691.82/x
  3. Step 3: Cross multiply
    163,313.46x = 225,370.89 × 91,691.82
  4. Step 4: Simplify right side
    163,313.46x = 20,664,667,079.12
  5. Step 5: Solve for x
    x = 20,664,667,079.12/163,313.46
  6. Step 6: Final answer
    x = 126,533.77

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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.