Home / 229,727.12-316,976.94-134,215.38

Finding the Fourth Proportional to 229,727.12, 316,976.94 and 134,215.38

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Solution

The fourth proportional to 229,727.12, 316,976.94 and 134,215.38 is: 185,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,727.12 : 316,976.94 = 134,215.38 : x
  2. Step 2: Convert to fraction form
    229,727.12/316,976.94 = 134,215.38/x
  3. Step 3: Cross multiply
    229,727.12x = 316,976.94 × 134,215.38
  4. Step 4: Simplify right side
    229,727.12x = 42,543,180,453.34
  5. Step 5: Solve for x
    x = 42,543,180,453.34/229,727.12
  6. Step 6: Final answer
    x = 185,190.07

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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.