Home / 138,441.36-207,662.04-38,597.52

Finding the Fourth Proportional to 138,441.36, 207,662.04 and 38,597.52

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Solution

The fourth proportional to 138,441.36, 207,662.04 and 38,597.52 is: 57,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,441.36 : 207,662.04 = 38,597.52 : x
  2. Step 2: Convert to fraction form
    138,441.36/207,662.04 = 38,597.52/x
  3. Step 3: Cross multiply
    138,441.36x = 207,662.04 × 38,597.52
  4. Step 4: Simplify right side
    138,441.36x = 8,015,239,742.14
  5. Step 5: Solve for x
    x = 8,015,239,742.14/138,441.36
  6. Step 6: Final answer
    x = 57,896.28

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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.