Home / 210,115.71-289,959.66-114,622.79

Finding the Fourth Proportional to 210,115.71, 289,959.66 and 114,622.79

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Solution

The fourth proportional to 210,115.71, 289,959.66 and 114,622.79 is: 158,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,115.71 : 289,959.66 = 114,622.79 : x
  2. Step 2: Convert to fraction form
    210,115.71/289,959.66 = 114,622.79/x
  3. Step 3: Cross multiply
    210,115.71x = 289,959.66 × 114,622.79
  4. Step 4: Simplify right side
    210,115.71x = 33,235,983,766.85
  5. Step 5: Solve for x
    x = 33,235,983,766.85/210,115.71
  6. Step 6: Final answer
    x = 158,179.43

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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.