Home / 166,387.96-229,662.42-98,428.57

Finding the Fourth Proportional to 166,387.96, 229,662.42 and 98,428.57

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Solution

The fourth proportional to 166,387.96, 229,662.42 and 98,428.57 is: 135,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,387.96 : 229,662.42 = 98,428.57 : x
  2. Step 2: Convert to fraction form
    166,387.96/229,662.42 = 98,428.57/x
  3. Step 3: Cross multiply
    166,387.96x = 229,662.42 × 98,428.57
  4. Step 4: Simplify right side
    166,387.96x = 22,605,343,583.34
  5. Step 5: Solve for x
    x = 22,605,343,583.34/166,387.96
  6. Step 6: Final answer
    x = 135,859.25

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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.