Home / 109,592.20-164,440.30-75,910.01

Finding the Fourth Proportional to 109,592.20, 164,440.30 and 75,910.01

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Solution

The fourth proportional to 109,592.20, 164,440.30 and 75,910.01 is: 113,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,592.20 : 164,440.30 = 75,910.01 : x
  2. Step 2: Convert to fraction form
    109,592.20/164,440.30 = 75,910.01/x
  3. Step 3: Cross multiply
    109,592.20x = 164,440.30 × 75,910.01
  4. Step 4: Simplify right side
    109,592.20x = 12,482,664,817.40
  5. Step 5: Solve for x
    x = 12,482,664,817.40/109,592.20
  6. Step 6: Final answer
    x = 113,901.03

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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.