Home / 131,579.58-181,566.20-97,142.64

Finding the Fourth Proportional to 131,579.58, 181,566.20 and 97,142.64

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Solution

The fourth proportional to 131,579.58, 181,566.20 and 97,142.64 is: 134,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,579.58 : 181,566.20 = 97,142.64 : x
  2. Step 2: Convert to fraction form
    131,579.58/181,566.20 = 97,142.64/x
  3. Step 3: Cross multiply
    131,579.58x = 181,566.20 × 97,142.64
  4. Step 4: Simplify right side
    131,579.58x = 17,637,819,564.75
  5. Step 5: Solve for x
    x = 17,637,819,564.75/131,579.58
  6. Step 6: Final answer
    x = 134,046.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.