Home / 131,825.75-197,808.35-71,897.49

Finding the Fourth Proportional to 131,825.75, 197,808.35 and 71,897.49

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Solution

The fourth proportional to 131,825.75, 197,808.35 and 71,897.49 is: 107,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.75 : 197,808.35 = 71,897.49 : x
  2. Step 2: Convert to fraction form
    131,825.75/197,808.35 = 71,897.49/x
  3. Step 3: Cross multiply
    131,825.75x = 197,808.35 × 71,897.49
  4. Step 4: Simplify right side
    131,825.75x = 14,221,923,506.55
  5. Step 5: Solve for x
    x = 14,221,923,506.55/131,825.75
  6. Step 6: Final answer
    x = 107,884.26

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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.