Home / 108,761.20-163,201.24-42,203.94

Finding the Fourth Proportional to 108,761.20, 163,201.24 and 42,203.94

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Solution

The fourth proportional to 108,761.20, 163,201.24 and 42,203.94 is: 63,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,761.20 : 163,201.24 = 42,203.94 : x
  2. Step 2: Convert to fraction form
    108,761.20/163,201.24 = 42,203.94/x
  3. Step 3: Cross multiply
    108,761.20x = 163,201.24 × 42,203.94
  4. Step 4: Simplify right side
    108,761.20x = 6,887,735,340.89
  5. Step 5: Solve for x
    x = 6,887,735,340.89/108,761.20
  6. Step 6: Final answer
    x = 63,328.98

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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.