Home / 198,106.94-297,149.88-64,969.68

Finding the Fourth Proportional to 198,106.94, 297,149.88 and 64,969.68

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Solution

The fourth proportional to 198,106.94, 297,149.88 and 64,969.68 is: 97,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,106.94 : 297,149.88 = 64,969.68 : x
  2. Step 2: Convert to fraction form
    198,106.94/297,149.88 = 64,969.68/x
  3. Step 3: Cross multiply
    198,106.94x = 297,149.88 × 64,969.68
  4. Step 4: Simplify right side
    198,106.94x = 19,305,732,615.64
  5. Step 5: Solve for x
    x = 19,305,732,615.64/198,106.94
  6. Step 6: Final answer
    x = 97,451.07

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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.