Home / 106,636.25-159,953.92-43,442.28

Finding the Fourth Proportional to 106,636.25, 159,953.92 and 43,442.28

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Solution

The fourth proportional to 106,636.25, 159,953.92 and 43,442.28 is: 65,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,636.25 : 159,953.92 = 43,442.28 : x
  2. Step 2: Convert to fraction form
    106,636.25/159,953.92 = 43,442.28/x
  3. Step 3: Cross multiply
    106,636.25x = 159,953.92 × 43,442.28
  4. Step 4: Simplify right side
    106,636.25x = 6,948,762,979.74
  5. Step 5: Solve for x
    x = 6,948,762,979.74/106,636.25
  6. Step 6: Final answer
    x = 65,163.23

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1.5x scale

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.