Home / 108,738.12-150,058.80-60,991.32

Finding the Fourth Proportional to 108,738.12, 150,058.80 and 60,991.32

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Solution

The fourth proportional to 108,738.12, 150,058.80 and 60,991.32 is: 84,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,738.12 : 150,058.80 = 60,991.32 : x
  2. Step 2: Convert to fraction form
    108,738.12/150,058.80 = 60,991.32/x
  3. Step 3: Cross multiply
    108,738.12x = 150,058.80 × 60,991.32
  4. Step 4: Simplify right side
    108,738.12x = 9,152,284,289.62
  5. Step 5: Solve for x
    x = 9,152,284,289.62/108,738.12
  6. Step 6: Final answer
    x = 84,168.13

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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.