Home / 198,316.05-297,592.27-71,966.15

Finding the Fourth Proportional to 198,316.05, 297,592.27 and 71,966.15

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Solution

The fourth proportional to 198,316.05, 297,592.27 and 71,966.15 is: 107,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,316.05 : 297,592.27 = 71,966.15 : x
  2. Step 2: Convert to fraction form
    198,316.05/297,592.27 = 71,966.15/x
  3. Step 3: Cross multiply
    198,316.05x = 297,592.27 × 71,966.15
  4. Step 4: Simplify right side
    198,316.05x = 21,416,569,941.66
  5. Step 5: Solve for x
    x = 21,416,569,941.66/198,316.05
  6. Step 6: Final answer
    x = 107,992.12

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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.