Home / 108,871.43-163,243.58-42,233.69

Finding the Fourth Proportional to 108,871.43, 163,243.58 and 42,233.69

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Solution

The fourth proportional to 108,871.43, 163,243.58 and 42,233.69 is: 63,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.43 : 163,243.58 = 42,233.69 : x
  2. Step 2: Convert to fraction form
    108,871.43/163,243.58 = 42,233.69/x
  3. Step 3: Cross multiply
    108,871.43x = 163,243.58 × 42,233.69
  4. Step 4: Simplify right side
    108,871.43x = 6,894,378,110.09
  5. Step 5: Solve for x
    x = 6,894,378,110.09/108,871.43
  6. Step 6: Final answer
    x = 63,325.87

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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.