Home / 198,557.64-297,835.88-80,227.60

Finding the Fourth Proportional to 198,557.64, 297,835.88 and 80,227.60

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Solution

The fourth proportional to 198,557.64, 297,835.88 and 80,227.60 is: 120,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,557.64 : 297,835.88 = 80,227.60 : x
  2. Step 2: Convert to fraction form
    198,557.64/297,835.88 = 80,227.60/x
  3. Step 3: Cross multiply
    198,557.64x = 297,835.88 × 80,227.60
  4. Step 4: Simplify right side
    198,557.64x = 23,894,657,846.29
  5. Step 5: Solve for x
    x = 23,894,657,846.29/198,557.64
  6. Step 6: Final answer
    x = 120,341.17

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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.