Home / 198,272.53-297,345.82-65,121.79

Finding the Fourth Proportional to 198,272.53, 297,345.82 and 65,121.79

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Solution

The fourth proportional to 198,272.53, 297,345.82 and 65,121.79 is: 97,662.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,272.53 : 297,345.82 = 65,121.79 : x
  2. Step 2: Convert to fraction form
    198,272.53/297,345.82 = 65,121.79/x
  3. Step 3: Cross multiply
    198,272.53x = 297,345.82 × 65,121.79
  4. Step 4: Simplify right side
    198,272.53x = 19,363,692,047.42
  5. Step 5: Solve for x
    x = 19,363,692,047.42/198,272.53
  6. Step 6: Final answer
    x = 97,662.00

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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.