Home / 110,216.78-165,278.54-39,157.20

Finding the Fourth Proportional to 110,216.78, 165,278.54 and 39,157.20

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Solution

The fourth proportional to 110,216.78, 165,278.54 and 39,157.20 is: 58,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,216.78 : 165,278.54 = 39,157.20 : x
  2. Step 2: Convert to fraction form
    110,216.78/165,278.54 = 39,157.20/x
  3. Step 3: Cross multiply
    110,216.78x = 165,278.54 × 39,157.20
  4. Step 4: Simplify right side
    110,216.78x = 6,471,844,846.49
  5. Step 5: Solve for x
    x = 6,471,844,846.49/110,216.78
  6. Step 6: Final answer
    x = 58,719.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.