Home / 198,149.38-297,161.67-64,998.70

Finding the Fourth Proportional to 198,149.38, 297,161.67 and 64,998.70

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Solution

The fourth proportional to 198,149.38, 297,161.67 and 64,998.70 is: 97,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,149.38 : 297,161.67 = 64,998.70 : x
  2. Step 2: Convert to fraction form
    198,149.38/297,161.67 = 64,998.70/x
  3. Step 3: Cross multiply
    198,149.38x = 297,161.67 × 64,998.70
  4. Step 4: Simplify right side
    198,149.38x = 19,315,122,239.83
  5. Step 5: Solve for x
    x = 19,315,122,239.83/198,149.38
  6. Step 6: Final answer
    x = 97,477.58

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1.5x scale

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.