Home / 75,425.04-113,137.83-25,505.55

Finding the Fourth Proportional to 75,425.04, 113,137.83 and 25,505.55

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Solution

The fourth proportional to 75,425.04, 113,137.83 and 25,505.55 is: 38,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,425.04 : 113,137.83 = 25,505.55 : x
  2. Step 2: Convert to fraction form
    75,425.04/113,137.83 = 25,505.55/x
  3. Step 3: Cross multiply
    75,425.04x = 113,137.83 × 25,505.55
  4. Step 4: Simplify right side
    75,425.04x = 2,885,642,579.96
  5. Step 5: Solve for x
    x = 2,885,642,579.96/75,425.04
  6. Step 6: Final answer
    x = 38,258.42

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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.