Home / 198,149.06-297,161.20-64,998.38

Finding the Fourth Proportional to 198,149.06, 297,161.20 and 64,998.38

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Solution

The fourth proportional to 198,149.06, 297,161.20 and 64,998.38 is: 97,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,149.06 : 297,161.20 = 64,998.38 : x
  2. Step 2: Convert to fraction form
    198,149.06/297,161.20 = 64,998.38/x
  3. Step 3: Cross multiply
    198,149.06x = 297,161.20 × 64,998.38
  4. Step 4: Simplify right side
    198,149.06x = 19,314,997,423.01
  5. Step 5: Solve for x
    x = 19,314,997,423.01/198,149.06
  6. Step 6: Final answer
    x = 97,477.11

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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.