Home / 109,185.96-150,674.82-61,439.28

Finding the Fourth Proportional to 109,185.96, 150,674.82 and 61,439.28

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Solution

The fourth proportional to 109,185.96, 150,674.82 and 61,439.28 is: 84,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,185.96 : 150,674.82 = 61,439.28 : x
  2. Step 2: Convert to fraction form
    109,185.96/150,674.82 = 61,439.28/x
  3. Step 3: Cross multiply
    109,185.96x = 150,674.82 × 61,439.28
  4. Step 4: Simplify right side
    109,185.96x = 9,257,352,454.93
  5. Step 5: Solve for x
    x = 9,257,352,454.93/109,185.96
  6. Step 6: Final answer
    x = 84,785.19

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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.