Home / 99,442.53-137,236.83-57,007.44

Finding the Fourth Proportional to 99,442.53, 137,236.83 and 57,007.44

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Solution

The fourth proportional to 99,442.53, 137,236.83 and 57,007.44 is: 78,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,442.53 : 137,236.83 = 57,007.44 : x
  2. Step 2: Convert to fraction form
    99,442.53/137,236.83 = 57,007.44/x
  3. Step 3: Cross multiply
    99,442.53x = 137,236.83 × 57,007.44
  4. Step 4: Simplify right side
    99,442.53x = 7,823,520,352.02
  5. Step 5: Solve for x
    x = 7,823,520,352.02/99,442.53
  6. Step 6: Final answer
    x = 78,673.79

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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.