Home / 198,321.84-297,187.36-109,600.76

Finding the Fourth Proportional to 198,321.84, 297,187.36 and 109,600.76

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Solution

The fourth proportional to 198,321.84, 297,187.36 and 109,600.76 is: 164,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,321.84 : 297,187.36 = 109,600.76 : x
  2. Step 2: Convert to fraction form
    198,321.84/297,187.36 = 109,600.76/x
  3. Step 3: Cross multiply
    198,321.84x = 297,187.36 × 109,600.76
  4. Step 4: Simplify right side
    198,321.84x = 32,571,960,518.39
  5. Step 5: Solve for x
    x = 32,571,960,518.39/198,321.84
  6. Step 6: Final answer
    x = 164,237.89

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1.5x scale

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.