Home / 108,945.23-150,328.05-61,189.43

Finding the Fourth Proportional to 108,945.23, 150,328.05 and 61,189.43

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Solution

The fourth proportional to 108,945.23, 150,328.05 and 61,189.43 is: 84,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,945.23 : 150,328.05 = 61,189.43 : x
  2. Step 2: Convert to fraction form
    108,945.23/150,328.05 = 61,189.43/x
  3. Step 3: Cross multiply
    108,945.23x = 150,328.05 × 61,189.43
  4. Step 4: Simplify right side
    108,945.23x = 9,198,487,692.51
  5. Step 5: Solve for x
    x = 9,198,487,692.51/108,945.23
  6. Step 6: Final answer
    x = 84,432.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.