Home / 198,319.74-297,512.73-65,170.86

Finding the Fourth Proportional to 198,319.74, 297,512.73 and 65,170.86

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Solution

The fourth proportional to 198,319.74, 297,512.73 and 65,170.86 is: 97,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,319.74 : 297,512.73 = 65,170.86 : x
  2. Step 2: Convert to fraction form
    198,319.74/297,512.73 = 65,170.86/x
  3. Step 3: Cross multiply
    198,319.74x = 297,512.73 × 65,170.86
  4. Step 4: Simplify right side
    198,319.74x = 19,389,160,475.05
  5. Step 5: Solve for x
    x = 19,389,160,475.05/198,319.74
  6. Step 6: Final answer
    x = 97,767.17

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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.