Home / 131,817.66-197,685.54-47,566.89

Finding the Fourth Proportional to 131,817.66, 197,685.54 and 47,566.89

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Solution

The fourth proportional to 131,817.66, 197,685.54 and 47,566.89 is: 71,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,817.66 : 197,685.54 = 47,566.89 : x
  2. Step 2: Convert to fraction form
    131,817.66/197,685.54 = 47,566.89/x
  3. Step 3: Cross multiply
    131,817.66x = 197,685.54 × 47,566.89
  4. Step 4: Simplify right side
    131,817.66x = 9,403,286,335.77
  5. Step 5: Solve for x
    x = 9,403,286,335.77/131,817.66
  6. Step 6: Final answer
    x = 71,335.56

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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.