Home / 198,769.80-298,052.10-58,510.20

Finding the Fourth Proportional to 198,769.80, 298,052.10 and 58,510.20

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Solution

The fourth proportional to 198,769.80, 298,052.10 and 58,510.20 is: 87,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,769.80 : 298,052.10 = 58,510.20 : x
  2. Step 2: Convert to fraction form
    198,769.80/298,052.10 = 58,510.20/x
  3. Step 3: Cross multiply
    198,769.80x = 298,052.10 × 58,510.20
  4. Step 4: Simplify right side
    198,769.80x = 17,439,087,981.42
  5. Step 5: Solve for x
    x = 17,439,087,981.42/198,769.80
  6. Step 6: Final answer
    x = 87,735.10

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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.