Home / 188,818.38-283,227.58-70,498.95

Finding the Fourth Proportional to 188,818.38, 283,227.58 and 70,498.95

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Solution

The fourth proportional to 188,818.38, 283,227.58 and 70,498.95 is: 105,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,818.38 : 283,227.58 = 70,498.95 : x
  2. Step 2: Convert to fraction form
    188,818.38/283,227.58 = 70,498.95/x
  3. Step 3: Cross multiply
    188,818.38x = 283,227.58 × 70,498.95
  4. Step 4: Simplify right side
    188,818.38x = 19,967,246,824.79
  5. Step 5: Solve for x
    x = 19,967,246,824.79/188,818.38
  6. Step 6: Final answer
    x = 105,748.43

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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.