Home / 221,052.16-331,342.14-126,077.81

Finding the Fourth Proportional to 221,052.16, 331,342.14 and 126,077.81

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Solution

The fourth proportional to 221,052.16, 331,342.14 and 126,077.81 is: 188,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,052.16 : 331,342.14 = 126,077.81 : x
  2. Step 2: Convert to fraction form
    221,052.16/331,342.14 = 126,077.81/x
  3. Step 3: Cross multiply
    221,052.16x = 331,342.14 × 126,077.81
  4. Step 4: Simplify right side
    221,052.16x = 41,774,891,371.91
  5. Step 5: Solve for x
    x = 41,774,891,371.91/221,052.16
  6. Step 6: Final answer
    x = 188,982.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.