Home / 108,529.30-162,721.05-57,936.70

Finding the Fourth Proportional to 108,529.30, 162,721.05 and 57,936.70

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Solution

The fourth proportional to 108,529.30, 162,721.05 and 57,936.70 is: 86,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.30 : 162,721.05 = 57,936.70 : x
  2. Step 2: Convert to fraction form
    108,529.30/162,721.05 = 57,936.70/x
  3. Step 3: Cross multiply
    108,529.30x = 162,721.05 × 57,936.70
  4. Step 4: Simplify right side
    108,529.30x = 9,427,520,657.54
  5. Step 5: Solve for x
    x = 9,427,520,657.54/108,529.30
  6. Step 6: Final answer
    x = 86,866.13

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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.