Home / 150,121.71-206,929.76-118,240.11

Finding the Fourth Proportional to 150,121.71, 206,929.76 and 118,240.11

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Solution

The fourth proportional to 150,121.71, 206,929.76 and 118,240.11 is: 162,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,121.71 : 206,929.76 = 118,240.11 : x
  2. Step 2: Convert to fraction form
    150,121.71/206,929.76 = 118,240.11/x
  3. Step 3: Cross multiply
    150,121.71x = 206,929.76 × 118,240.11
  4. Step 4: Simplify right side
    150,121.71x = 24,467,396,993.47
  5. Step 5: Solve for x
    x = 24,467,396,993.47/150,121.71
  6. Step 6: Final answer
    x = 162,983.73

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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.