Home / 198,828.84-298,151.10-74,136.36

Finding the Fourth Proportional to 198,828.84, 298,151.10 and 74,136.36

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Solution

The fourth proportional to 198,828.84, 298,151.10 and 74,136.36 is: 111,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,828.84 : 298,151.10 = 74,136.36 : x
  2. Step 2: Convert to fraction form
    198,828.84/298,151.10 = 74,136.36/x
  3. Step 3: Cross multiply
    198,828.84x = 298,151.10 × 74,136.36
  4. Step 4: Simplify right side
    198,828.84x = 22,103,837,284.00
  5. Step 5: Solve for x
    x = 22,103,837,284.00/198,828.84
  6. Step 6: Final answer
    x = 111,170.18

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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.