Home / 110,309.30-164,216.51-109,653.20

Finding the Fourth Proportional to 110,309.30, 164,216.51 and 109,653.20

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Solution

The fourth proportional to 110,309.30, 164,216.51 and 109,653.20 is: 163,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309.30 : 164,216.51 = 109,653.20 : x
  2. Step 2: Convert to fraction form
    110,309.30/164,216.51 = 109,653.20/x
  3. Step 3: Cross multiply
    110,309.30x = 164,216.51 × 109,653.20
  4. Step 4: Simplify right side
    110,309.30x = 18,006,865,814.33
  5. Step 5: Solve for x
    x = 18,006,865,814.33/110,309.30
  6. Step 6: Final answer
    x = 163,239.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.