Home / 198,715.18-298,102.41-65,609.50

Finding the Fourth Proportional to 198,715.18, 298,102.41 and 65,609.50

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Solution

The fourth proportional to 198,715.18, 298,102.41 and 65,609.50 is: 98,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,715.18 : 298,102.41 = 65,609.50 : x
  2. Step 2: Convert to fraction form
    198,715.18/298,102.41 = 65,609.50/x
  3. Step 3: Cross multiply
    198,715.18x = 298,102.41 × 65,609.50
  4. Step 4: Simplify right side
    198,715.18x = 19,558,350,068.90
  5. Step 5: Solve for x
    x = 19,558,350,068.90/198,715.18
  6. Step 6: Final answer
    x = 98,424.04

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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.