Home / 108,208.40-162,330.05-33,328.51

Finding the Fourth Proportional to 108,208.40, 162,330.05 and 33,328.51

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Solution

The fourth proportional to 108,208.40, 162,330.05 and 33,328.51 is: 49,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,208.40 : 162,330.05 = 33,328.51 : x
  2. Step 2: Convert to fraction form
    108,208.40/162,330.05 = 33,328.51/x
  3. Step 3: Cross multiply
    108,208.40x = 162,330.05 × 33,328.51
  4. Step 4: Simplify right side
    108,208.40x = 5,410,219,086.14
  5. Step 5: Solve for x
    x = 5,410,219,086.14/108,208.40
  6. Step 6: Final answer
    x = 49,998.14

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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.