Home / 103,395.52-142,682.22-63,176.60

Finding the Fourth Proportional to 103,395.52, 142,682.22 and 63,176.60

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Solution

The fourth proportional to 103,395.52, 142,682.22 and 63,176.60 is: 87,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,395.52 : 142,682.22 = 63,176.60 : x
  2. Step 2: Convert to fraction form
    103,395.52/142,682.22 = 63,176.60/x
  3. Step 3: Cross multiply
    103,395.52x = 142,682.22 × 63,176.60
  4. Step 4: Simplify right side
    103,395.52x = 9,014,177,540.05
  5. Step 5: Solve for x
    x = 9,014,177,540.05/103,395.52
  6. Step 6: Final answer
    x = 87,181.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.