Home / 97,719.80-146,288.10-91,952.60

Finding the Fourth Proportional to 97,719.80, 146,288.10 and 91,952.60

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Solution

The fourth proportional to 97,719.80, 146,288.10 and 91,952.60 is: 137,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,719.80 : 146,288.10 = 91,952.60 : x
  2. Step 2: Convert to fraction form
    97,719.80/146,288.10 = 91,952.60/x
  3. Step 3: Cross multiply
    97,719.80x = 146,288.10 × 91,952.60
  4. Step 4: Simplify right side
    97,719.80x = 13,451,571,144.06
  5. Step 5: Solve for x
    x = 13,451,571,144.06/97,719.80
  6. Step 6: Final answer
    x = 137,654.51

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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.