Home / 206,829.24-309,981.41-106,970.82

Finding the Fourth Proportional to 206,829.24, 309,981.41 and 106,970.82

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Solution

The fourth proportional to 206,829.24, 309,981.41 and 106,970.82 is: 160,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,829.24 : 309,981.41 = 106,970.82 : x
  2. Step 2: Convert to fraction form
    206,829.24/309,981.41 = 106,970.82/x
  3. Step 3: Cross multiply
    206,829.24x = 309,981.41 × 106,970.82
  4. Step 4: Simplify right side
    206,829.24x = 33,158,965,612.46
  5. Step 5: Solve for x
    x = 33,158,965,612.46/206,829.24
  6. Step 6: Final answer
    x = 160,320.49

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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.