Home / 102,801.20-141,857.76-62,509.44

Finding the Fourth Proportional to 102,801.20, 141,857.76 and 62,509.44

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Solution

The fourth proportional to 102,801.20, 141,857.76 and 62,509.44 is: 86,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,801.20 : 141,857.76 = 62,509.44 : x
  2. Step 2: Convert to fraction form
    102,801.20/141,857.76 = 62,509.44/x
  3. Step 3: Cross multiply
    102,801.20x = 141,857.76 × 62,509.44
  4. Step 4: Simplify right side
    102,801.20x = 8,867,449,137.25
  5. Step 5: Solve for x
    x = 8,867,449,137.25/102,801.20
  6. Step 6: Final answer
    x = 86,258.23

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1.5x scale

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.