Home / 155,924.84-215,274.68-108,161.48

Finding the Fourth Proportional to 155,924.84, 215,274.68 and 108,161.48

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Solution

The fourth proportional to 155,924.84, 215,274.68 and 108,161.48 is: 149,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,924.84 : 215,274.68 = 108,161.48 : x
  2. Step 2: Convert to fraction form
    155,924.84/215,274.68 = 108,161.48/x
  3. Step 3: Cross multiply
    155,924.84x = 215,274.68 × 108,161.48
  4. Step 4: Simplify right side
    155,924.84x = 23,284,427,995.33
  5. Step 5: Solve for x
    x = 23,284,427,995.33/155,924.84
  6. Step 6: Final answer
    x = 149,331.10

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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.