Home / 99,496.62-149,246.55-55,403.64

Finding the Fourth Proportional to 99,496.62, 149,246.55 and 55,403.64

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Solution

The fourth proportional to 99,496.62, 149,246.55 and 55,403.64 is: 83,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496.62 : 149,246.55 = 55,403.64 : x
  2. Step 2: Convert to fraction form
    99,496.62/149,246.55 = 55,403.64/x
  3. Step 3: Cross multiply
    99,496.62x = 149,246.55 × 55,403.64
  4. Step 4: Simplify right side
    99,496.62x = 8,268,802,127.44
  5. Step 5: Solve for x
    x = 8,268,802,127.44/99,496.62
  6. Step 6: Final answer
    x = 83,106.36

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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.