Home / 198,966.96-298,421.01-72,577.62

Finding the Fourth Proportional to 198,966.96, 298,421.01 and 72,577.62

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Solution

The fourth proportional to 198,966.96, 298,421.01 and 72,577.62 is: 108,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,966.96 : 298,421.01 = 72,577.62 : x
  2. Step 2: Convert to fraction form
    198,966.96/298,421.01 = 72,577.62/x
  3. Step 3: Cross multiply
    198,966.96x = 298,421.01 × 72,577.62
  4. Step 4: Simplify right side
    198,966.96x = 21,658,686,663.80
  5. Step 5: Solve for x
    x = 21,658,686,663.80/198,966.96
  6. Step 6: Final answer
    x = 108,855.69

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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.