Home / 109,512.15-164,284.40-34,615.30

Finding the Fourth Proportional to 109,512.15, 164,284.40 and 34,615.30

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Solution

The fourth proportional to 109,512.15, 164,284.40 and 34,615.30 is: 51,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512.15 : 164,284.40 = 34,615.30 : x
  2. Step 2: Convert to fraction form
    109,512.15/164,284.40 = 34,615.30/x
  3. Step 3: Cross multiply
    109,512.15x = 164,284.40 × 34,615.30
  4. Step 4: Simplify right side
    109,512.15x = 5,686,753,775.18
  5. Step 5: Solve for x
    x = 5,686,753,775.18/109,512.15
  6. Step 6: Final answer
    x = 51,928.06

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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.