Home / 198,472.80-297,118.56-131,682.24

Finding the Fourth Proportional to 198,472.80, 297,118.56 and 131,682.24

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Solution

The fourth proportional to 198,472.80, 297,118.56 and 131,682.24 is: 197,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,472.80 : 297,118.56 = 131,682.24 : x
  2. Step 2: Convert to fraction form
    198,472.80/297,118.56 = 131,682.24/x
  3. Step 3: Cross multiply
    198,472.80x = 297,118.56 × 131,682.24
  4. Step 4: Simplify right side
    198,472.80x = 39,125,237,526.37
  5. Step 5: Solve for x
    x = 39,125,237,526.37/198,472.80
  6. Step 6: Final answer
    x = 197,131.48

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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.