Home / 147,664.10-221,496.15-132,112.10

Finding the Fourth Proportional to 147,664.10, 221,496.15 and 132,112.10

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Solution

The fourth proportional to 147,664.10, 221,496.15 and 132,112.10 is: 198,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,664.10 : 221,496.15 = 132,112.10 : x
  2. Step 2: Convert to fraction form
    147,664.10/221,496.15 = 132,112.10/x
  3. Step 3: Cross multiply
    147,664.10x = 221,496.15 × 132,112.10
  4. Step 4: Simplify right side
    147,664.10x = 29,262,321,518.42
  5. Step 5: Solve for x
    x = 29,262,321,518.42/147,664.10
  6. Step 6: Final answer
    x = 198,168.15

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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.