Home / 198,570.24-274,020.22-113,670.90

Finding the Fourth Proportional to 198,570.24, 274,020.22 and 113,670.90

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Solution

The fourth proportional to 198,570.24, 274,020.22 and 113,670.90 is: 156,862.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570.24 : 274,020.22 = 113,670.90 : x
  2. Step 2: Convert to fraction form
    198,570.24/274,020.22 = 113,670.90/x
  3. Step 3: Cross multiply
    198,570.24x = 274,020.22 × 113,670.90
  4. Step 4: Simplify right side
    198,570.24x = 31,148,125,025.60
  5. Step 5: Solve for x
    x = 31,148,125,025.60/198,570.24
  6. Step 6: Final answer
    x = 156,862.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.