Home / 108,842.48-163,221.80-42,273.85

Finding the Fourth Proportional to 108,842.48, 163,221.80 and 42,273.85

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Solution

The fourth proportional to 108,842.48, 163,221.80 and 42,273.85 is: 63,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,842.48 : 163,221.80 = 42,273.85 : x
  2. Step 2: Convert to fraction form
    108,842.48/163,221.80 = 42,273.85/x
  3. Step 3: Cross multiply
    108,842.48x = 163,221.80 × 42,273.85
  4. Step 4: Simplify right side
    108,842.48x = 6,900,013,814.34
  5. Step 5: Solve for x
    x = 6,900,013,814.34/108,842.48
  6. Step 6: Final answer
    x = 63,394.49

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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.