Home / 112,197.52-168,135.90-82,381.42

Finding the Fourth Proportional to 112,197.52, 168,135.90 and 82,381.42

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Solution

The fourth proportional to 112,197.52, 168,135.90 and 82,381.42 is: 123,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.52 : 168,135.90 = 82,381.42 : x
  2. Step 2: Convert to fraction form
    112,197.52/168,135.90 = 82,381.42/x
  3. Step 3: Cross multiply
    112,197.52x = 168,135.90 × 82,381.42
  4. Step 4: Simplify right side
    112,197.52x = 13,851,274,194.98
  5. Step 5: Solve for x
    x = 13,851,274,194.98/112,197.52
  6. Step 6: Final answer
    x = 123,454.37

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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.