Home / 131,818.14-197,686.30-47,567.38

Finding the Fourth Proportional to 131,818.14, 197,686.30 and 47,567.38

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Solution

The fourth proportional to 131,818.14, 197,686.30 and 47,567.38 is: 71,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,818.14 : 197,686.30 = 47,567.38 : x
  2. Step 2: Convert to fraction form
    131,818.14/197,686.30 = 47,567.38/x
  3. Step 3: Cross multiply
    131,818.14x = 197,686.30 × 47,567.38
  4. Step 4: Simplify right side
    131,818.14x = 9,403,419,352.89
  5. Step 5: Solve for x
    x = 9,403,419,352.89/131,818.14
  6. Step 6: Final answer
    x = 71,336.31

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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.