Home / 109,849.30-164,445.90-65,453.20

Finding the Fourth Proportional to 109,849.30, 164,445.90 and 65,453.20

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Solution

The fourth proportional to 109,849.30, 164,445.90 and 65,453.20 is: 97,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,849.30 : 164,445.90 = 65,453.20 : x
  2. Step 2: Convert to fraction form
    109,849.30/164,445.90 = 65,453.20/x
  3. Step 3: Cross multiply
    109,849.30x = 164,445.90 × 65,453.20
  4. Step 4: Simplify right side
    109,849.30x = 10,763,510,381.88
  5. Step 5: Solve for x
    x = 10,763,510,381.88/109,849.30
  6. Step 6: Final answer
    x = 97,984.33

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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.