Home / 131,591.55-197,002.78-98,006.52

Finding the Fourth Proportional to 131,591.55, 197,002.78 and 98,006.52

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Solution

The fourth proportional to 131,591.55, 197,002.78 and 98,006.52 is: 146,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,591.55 : 197,002.78 = 98,006.52 : x
  2. Step 2: Convert to fraction form
    131,591.55/197,002.78 = 98,006.52/x
  3. Step 3: Cross multiply
    131,591.55x = 197,002.78 × 98,006.52
  4. Step 4: Simplify right side
    131,591.55x = 19,307,556,408.09
  5. Step 5: Solve for x
    x = 19,307,556,408.09/131,591.55
  6. Step 6: Final answer
    x = 146,723.38

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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.