Home / 146,634.20-219,862.20-57,785.30

Finding the Fourth Proportional to 146,634.20, 219,862.20 and 57,785.30

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Solution

The fourth proportional to 146,634.20, 219,862.20 and 57,785.30 is: 86,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,634.20 : 219,862.20 = 57,785.30 : x
  2. Step 2: Convert to fraction form
    146,634.20/219,862.20 = 57,785.30/x
  3. Step 3: Cross multiply
    146,634.20x = 219,862.20 × 57,785.30
  4. Step 4: Simplify right side
    146,634.20x = 12,704,803,185.66
  5. Step 5: Solve for x
    x = 12,704,803,185.66/146,634.20
  6. Step 6: Final answer
    x = 86,642.84

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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.