Home / 198,320.37-297,185.13-109,599.21

Finding the Fourth Proportional to 198,320.37, 297,185.13 and 109,599.21

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Solution

The fourth proportional to 198,320.37, 297,185.13 and 109,599.21 is: 164,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,320.37 : 297,185.13 = 109,599.21 : x
  2. Step 2: Convert to fraction form
    198,320.37/297,185.13 = 109,599.21/x
  3. Step 3: Cross multiply
    198,320.37x = 297,185.13 × 109,599.21
  4. Step 4: Simplify right side
    198,320.37x = 32,571,255,471.75
  5. Step 5: Solve for x
    x = 32,571,255,471.75/198,320.37
  6. Step 6: Final answer
    x = 164,235.55

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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.