Home / 131,579.98-197,419.53-79,026.10

Finding the Fourth Proportional to 131,579.98, 197,419.53 and 79,026.10

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Solution

The fourth proportional to 131,579.98, 197,419.53 and 79,026.10 is: 118,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,579.98 : 197,419.53 = 79,026.10 : x
  2. Step 2: Convert to fraction form
    131,579.98/197,419.53 = 79,026.10/x
  3. Step 3: Cross multiply
    131,579.98x = 197,419.53 × 79,026.10
  4. Step 4: Simplify right side
    131,579.98x = 15,601,295,519.73
  5. Step 5: Solve for x
    x = 15,601,295,519.73/131,579.98
  6. Step 6: Final answer
    x = 118,568.92

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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.