Home / 109,132.43-150,604.00-61,385.36

Finding the Fourth Proportional to 109,132.43, 150,604.00 and 61,385.36

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Solution

The fourth proportional to 109,132.43, 150,604.00 and 61,385.36 is: 84,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132.43 : 150,604.00 = 61,385.36 : x
  2. Step 2: Convert to fraction form
    109,132.43/150,604.00 = 61,385.36/x
  3. Step 3: Cross multiply
    109,132.43x = 150,604.00 × 61,385.36
  4. Step 4: Simplify right side
    109,132.43x = 9,244,879,850.96
  5. Step 5: Solve for x
    x = 9,244,879,850.96/109,132.43
  6. Step 6: Final answer
    x = 84,712.49

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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.