Home / 198,092.87-297,031.79-89,962.85

Finding the Fourth Proportional to 198,092.87, 297,031.79 and 89,962.85

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Solution

The fourth proportional to 198,092.87, 297,031.79 and 89,962.85 is: 134,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,092.87 : 297,031.79 = 89,962.85 : x
  2. Step 2: Convert to fraction form
    198,092.87/297,031.79 = 89,962.85/x
  3. Step 3: Cross multiply
    198,092.87x = 297,031.79 × 89,962.85
  4. Step 4: Simplify right side
    198,092.87x = 26,721,825,919.19
  5. Step 5: Solve for x
    x = 26,721,825,919.19/198,092.87
  6. Step 6: Final answer
    x = 134,895.45

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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.