Home / 108,669.39-162,990.24-42,063.95

Finding the Fourth Proportional to 108,669.39, 162,990.24 and 42,063.95

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Solution

The fourth proportional to 108,669.39, 162,990.24 and 42,063.95 is: 63,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,669.39 : 162,990.24 = 42,063.95 : x
  2. Step 2: Convert to fraction form
    108,669.39/162,990.24 = 42,063.95/x
  3. Step 3: Cross multiply
    108,669.39x = 162,990.24 × 42,063.95
  4. Step 4: Simplify right side
    108,669.39x = 6,856,013,305.85
  5. Step 5: Solve for x
    x = 6,856,013,305.85/108,669.39
  6. Step 6: Final answer
    x = 63,090.57

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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.