Home / 154,404.10-231,606.15-65,635.30

Finding the Fourth Proportional to 154,404.10, 231,606.15 and 65,635.30

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Solution

The fourth proportional to 154,404.10, 231,606.15 and 65,635.30 is: 98,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,404.10 : 231,606.15 = 65,635.30 : x
  2. Step 2: Convert to fraction form
    154,404.10/231,606.15 = 65,635.30/x
  3. Step 3: Cross multiply
    154,404.10x = 231,606.15 × 65,635.30
  4. Step 4: Simplify right side
    154,404.10x = 15,201,539,137.10
  5. Step 5: Solve for x
    x = 15,201,539,137.10/154,404.10
  6. Step 6: Final answer
    x = 98,452.95

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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.