Home / 138,542.35-207,783.36-37,338.04

Finding the Fourth Proportional to 138,542.35, 207,783.36 and 37,338.04

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Solution

The fourth proportional to 138,542.35, 207,783.36 and 37,338.04 is: 55,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,542.35 : 207,783.36 = 37,338.04 : x
  2. Step 2: Convert to fraction form
    138,542.35/207,783.36 = 37,338.04/x
  3. Step 3: Cross multiply
    138,542.35x = 207,783.36 × 37,338.04
  4. Step 4: Simplify right side
    138,542.35x = 7,758,223,407.01
  5. Step 5: Solve for x
    x = 7,758,223,407.01/138,542.35
  6. Step 6: Final answer
    x = 55,998.93

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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.