Home / 108,984.76-163,473.90-30,103.72

Finding the Fourth Proportional to 108,984.76, 163,473.90 and 30,103.72

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Solution

The fourth proportional to 108,984.76, 163,473.90 and 30,103.72 is: 45,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,984.76 : 163,473.90 = 30,103.72 : x
  2. Step 2: Convert to fraction form
    108,984.76/163,473.90 = 30,103.72/x
  3. Step 3: Cross multiply
    108,984.76x = 163,473.90 × 30,103.72
  4. Step 4: Simplify right side
    108,984.76x = 4,921,172,512.91
  5. Step 5: Solve for x
    x = 4,921,172,512.91/108,984.76
  6. Step 6: Final answer
    x = 45,154.69

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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.