Home / 198,664.80-297,933.84-65,520.24

Finding the Fourth Proportional to 198,664.80, 297,933.84 and 65,520.24

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Solution

The fourth proportional to 198,664.80, 297,933.84 and 65,520.24 is: 98,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,664.80 : 297,933.84 = 65,520.24 : x
  2. Step 2: Convert to fraction form
    198,664.80/297,933.84 = 65,520.24/x
  3. Step 3: Cross multiply
    198,664.80x = 297,933.84 × 65,520.24
  4. Step 4: Simplify right side
    198,664.80x = 19,520,696,700.92
  5. Step 5: Solve for x
    x = 19,520,696,700.92/198,664.80
  6. Step 6: Final answer
    x = 98,259.46

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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.