Home / 109,905.85-164,913.45-43,348.15

Finding the Fourth Proportional to 109,905.85, 164,913.45 and 43,348.15

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Solution

The fourth proportional to 109,905.85, 164,913.45 and 43,348.15 is: 65,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.85 : 164,913.45 = 43,348.15 : x
  2. Step 2: Convert to fraction form
    109,905.85/164,913.45 = 43,348.15/x
  3. Step 3: Cross multiply
    109,905.85x = 164,913.45 × 43,348.15
  4. Step 4: Simplify right side
    109,905.85x = 7,148,692,967.62
  5. Step 5: Solve for x
    x = 7,148,692,967.62/109,905.85
  6. Step 6: Final answer
    x = 65,043.79

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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.