Home / 198,764.79-298,242.87-98,933.71

Finding the Fourth Proportional to 198,764.79, 298,242.87 and 98,933.71

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Solution

The fourth proportional to 198,764.79, 298,242.87 and 98,933.71 is: 148,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,764.79 : 298,242.87 = 98,933.71 : x
  2. Step 2: Convert to fraction form
    198,764.79/298,242.87 = 98,933.71/x
  3. Step 3: Cross multiply
    198,764.79x = 298,242.87 × 98,933.71
  4. Step 4: Simplify right side
    198,764.79x = 29,506,272,213.94
  5. Step 5: Solve for x
    x = 29,506,272,213.94/198,764.79
  6. Step 6: Final answer
    x = 148,448.19

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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.