Home / 198,000.30-297,000.45-92,829.90

Finding the Fourth Proportional to 198,000.30, 297,000.45 and 92,829.90

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Solution

The fourth proportional to 198,000.30, 297,000.45 and 92,829.90 is: 139,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,000.30 : 297,000.45 = 92,829.90 : x
  2. Step 2: Convert to fraction form
    198,000.30/297,000.45 = 92,829.90/x
  3. Step 3: Cross multiply
    198,000.30x = 297,000.45 × 92,829.90
  4. Step 4: Simplify right side
    198,000.30x = 27,570,522,073.46
  5. Step 5: Solve for x
    x = 27,570,522,073.46/198,000.30
  6. Step 6: Final answer
    x = 139,244.85

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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.