Home / 221,096.48-305,098.56-124,315.20

Finding the Fourth Proportional to 221,096.48, 305,098.56 and 124,315.20

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Solution

The fourth proportional to 221,096.48, 305,098.56 and 124,315.20 is: 171,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,096.48 : 305,098.56 = 124,315.20 : x
  2. Step 2: Convert to fraction form
    221,096.48/305,098.56 = 124,315.20/x
  3. Step 3: Cross multiply
    221,096.48x = 305,098.56 × 124,315.20
  4. Step 4: Simplify right side
    221,096.48x = 37,928,388,506.11
  5. Step 5: Solve for x
    x = 37,928,388,506.11/221,096.48
  6. Step 6: Final answer
    x = 171,546.78

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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.