Home / 198,035.88-297,115.10-64,917.16

Finding the Fourth Proportional to 198,035.88, 297,115.10 and 64,917.16

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Solution

The fourth proportional to 198,035.88, 297,115.10 and 64,917.16 is: 97,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,035.88 : 297,115.10 = 64,917.16 : x
  2. Step 2: Convert to fraction form
    198,035.88/297,115.10 = 64,917.16/x
  3. Step 3: Cross multiply
    198,035.88x = 297,115.10 × 64,917.16
  4. Step 4: Simplify right side
    198,035.88x = 19,287,868,485.12
  5. Step 5: Solve for x
    x = 19,287,868,485.12/198,035.88
  6. Step 6: Final answer
    x = 97,395.83

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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.