Home / 109,819.90-164,729.85-101,266.30

Finding the Fourth Proportional to 109,819.90, 164,729.85 and 101,266.30

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Solution

The fourth proportional to 109,819.90, 164,729.85 and 101,266.30 is: 151,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,819.90 : 164,729.85 = 101,266.30 : x
  2. Step 2: Convert to fraction form
    109,819.90/164,729.85 = 101,266.30/x
  3. Step 3: Cross multiply
    109,819.90x = 164,729.85 × 101,266.30
  4. Step 4: Simplify right side
    109,819.90x = 16,681,582,409.06
  5. Step 5: Solve for x
    x = 16,681,582,409.06/109,819.90
  6. Step 6: Final answer
    x = 151,899.45

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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.