Home / 198,185.78-297,277.58-48,426.90

Finding the Fourth Proportional to 198,185.78, 297,277.58 and 48,426.90

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Solution

The fourth proportional to 198,185.78, 297,277.58 and 48,426.90 is: 72,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,185.78 : 297,277.58 = 48,426.90 : x
  2. Step 2: Convert to fraction form
    198,185.78/297,277.58 = 48,426.90/x
  3. Step 3: Cross multiply
    198,185.78x = 297,277.58 × 48,426.90
  4. Step 4: Simplify right side
    198,185.78x = 14,396,231,638.90
  5. Step 5: Solve for x
    x = 14,396,231,638.90/198,185.78
  6. Step 6: Final answer
    x = 72,640.08

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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.