Home / 162,821.40-244,232.10-131,717.40

Finding the Fourth Proportional to 162,821.40, 244,232.10 and 131,717.40

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Solution

The fourth proportional to 162,821.40, 244,232.10 and 131,717.40 is: 197,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,821.40 : 244,232.10 = 131,717.40 : x
  2. Step 2: Convert to fraction form
    162,821.40/244,232.10 = 131,717.40/x
  3. Step 3: Cross multiply
    162,821.40x = 244,232.10 × 131,717.40
  4. Step 4: Simplify right side
    162,821.40x = 32,169,617,208.54
  5. Step 5: Solve for x
    x = 32,169,617,208.54/162,821.40
  6. Step 6: Final answer
    x = 197,576.10

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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.