Home / 198,777.56-274,402.58-130,830.17

Finding the Fourth Proportional to 198,777.56, 274,402.58 and 130,830.17

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Solution

The fourth proportional to 198,777.56, 274,402.58 and 130,830.17 is: 180,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,777.56 : 274,402.58 = 130,830.17 : x
  2. Step 2: Convert to fraction form
    198,777.56/274,402.58 = 130,830.17/x
  3. Step 3: Cross multiply
    198,777.56x = 274,402.58 × 130,830.17
  4. Step 4: Simplify right side
    198,777.56x = 35,900,134,163.67
  5. Step 5: Solve for x
    x = 35,900,134,163.67/198,777.56
  6. Step 6: Final answer
    x = 180,604.57

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1.5x scale

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.