Home / 113,682.57-170,539.41-38,782.60

Finding the Fourth Proportional to 113,682.57, 170,539.41 and 38,782.60

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Solution

The fourth proportional to 113,682.57, 170,539.41 and 38,782.60 is: 58,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,682.57 : 170,539.41 = 38,782.60 : x
  2. Step 2: Convert to fraction form
    113,682.57/170,539.41 = 38,782.60/x
  3. Step 3: Cross multiply
    113,682.57x = 170,539.41 × 38,782.60
  4. Step 4: Simplify right side
    113,682.57x = 6,613,961,926.41
  5. Step 5: Solve for x
    x = 6,613,961,926.41/113,682.57
  6. Step 6: Final answer
    x = 58,179.21

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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.