Home / 108,859.38-163,299.34-42,304.61

Finding the Fourth Proportional to 108,859.38, 163,299.34 and 42,304.61

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Solution

The fourth proportional to 108,859.38, 163,299.34 and 42,304.61 is: 63,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,859.38 : 163,299.34 = 42,304.61 : x
  2. Step 2: Convert to fraction form
    108,859.38/163,299.34 = 42,304.61/x
  3. Step 3: Cross multiply
    108,859.38x = 163,299.34 × 42,304.61
  4. Step 4: Simplify right side
    108,859.38x = 6,908,315,353.09
  5. Step 5: Solve for x
    x = 6,908,315,353.09/108,859.38
  6. Step 6: Final answer
    x = 63,460.91

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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.