Home / 198,137.10-297,195.20-64,999.84

Finding the Fourth Proportional to 198,137.10, 297,195.20 and 64,999.84

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Solution

The fourth proportional to 198,137.10, 297,195.20 and 64,999.84 is: 97,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,137.10 : 297,195.20 = 64,999.84 : x
  2. Step 2: Convert to fraction form
    198,137.10/297,195.20 = 64,999.84/x
  3. Step 3: Cross multiply
    198,137.10x = 297,195.20 × 64,999.84
  4. Step 4: Simplify right side
    198,137.10x = 19,317,640,448.77
  5. Step 5: Solve for x
    x = 19,317,640,448.77/198,137.10
  6. Step 6: Final answer
    x = 97,496.33

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1.5x scale

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.