Home / 109,673.15-164,575.26-100,750.19

Finding the Fourth Proportional to 109,673.15, 164,575.26 and 100,750.19

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Solution

The fourth proportional to 109,673.15, 164,575.26 and 100,750.19 is: 151,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,673.15 : 164,575.26 = 100,750.19 : x
  2. Step 2: Convert to fraction form
    109,673.15/164,575.26 = 100,750.19/x
  3. Step 3: Cross multiply
    109,673.15x = 164,575.26 × 100,750.19
  4. Step 4: Simplify right side
    109,673.15x = 16,580,987,891.42
  5. Step 5: Solve for x
    x = 16,580,987,891.42/109,673.15
  6. Step 6: Final answer
    x = 151,185.49

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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.