Home / 131,489.10-197,104.05-64,874.70

Finding the Fourth Proportional to 131,489.10, 197,104.05 and 64,874.70

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Solution

The fourth proportional to 131,489.10, 197,104.05 and 64,874.70 is: 97,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,489.10 : 197,104.05 = 64,874.70 : x
  2. Step 2: Convert to fraction form
    131,489.10/197,104.05 = 64,874.70/x
  3. Step 3: Cross multiply
    131,489.10x = 197,104.05 × 64,874.70
  4. Step 4: Simplify right side
    131,489.10x = 12,787,066,112.54
  5. Step 5: Solve for x
    x = 12,787,066,112.54/131,489.10
  6. Step 6: Final answer
    x = 97,248.11

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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.