Home / 100,244.87-138,337.83-54,925.68

Finding the Fourth Proportional to 100,244.87, 138,337.83 and 54,925.68

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Solution

The fourth proportional to 100,244.87, 138,337.83 and 54,925.68 is: 75,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.87 : 138,337.83 = 54,925.68 : x
  2. Step 2: Convert to fraction form
    100,244.87/138,337.83 = 54,925.68/x
  3. Step 3: Cross multiply
    100,244.87x = 138,337.83 × 54,925.68
  4. Step 4: Simplify right side
    100,244.87x = 7,598,299,382.47
  5. Step 5: Solve for x
    x = 7,598,299,382.47/100,244.87
  6. Step 6: Final answer
    x = 75,797.39

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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.