Home / 198,316.22-297,592.51-71,966.32

Finding the Fourth Proportional to 198,316.22, 297,592.51 and 71,966.32

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Solution

The fourth proportional to 198,316.22, 297,592.51 and 71,966.32 is: 107,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,316.22 : 297,592.51 = 71,966.32 : x
  2. Step 2: Convert to fraction form
    198,316.22/297,592.51 = 71,966.32/x
  3. Step 3: Cross multiply
    198,316.22x = 297,592.51 × 71,966.32
  4. Step 4: Simplify right side
    198,316.22x = 21,416,636,316.30
  5. Step 5: Solve for x
    x = 21,416,636,316.30/198,316.22
  6. Step 6: Final answer
    x = 107,992.36

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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.