Home / 198,192.15-297,176.78-65,061.25

Finding the Fourth Proportional to 198,192.15, 297,176.78 and 65,061.25

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Solution

The fourth proportional to 198,192.15, 297,176.78 and 65,061.25 is: 97,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,192.15 : 297,176.78 = 65,061.25 : x
  2. Step 2: Convert to fraction form
    198,192.15/297,176.78 = 65,061.25/x
  3. Step 3: Cross multiply
    198,192.15x = 297,176.78 × 65,061.25
  4. Step 4: Simplify right side
    198,192.15x = 19,334,692,197.49
  5. Step 5: Solve for x
    x = 19,334,692,197.49/198,192.15
  6. Step 6: Final answer
    x = 97,555.29

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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.