Home / 138,829.27-208,242.06-33,649.15

Finding the Fourth Proportional to 138,829.27, 208,242.06 and 33,649.15

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Solution

The fourth proportional to 138,829.27, 208,242.06 and 33,649.15 is: 50,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,829.27 : 208,242.06 = 33,649.15 : x
  2. Step 2: Convert to fraction form
    138,829.27/208,242.06 = 33,649.15/x
  3. Step 3: Cross multiply
    138,829.27x = 208,242.06 × 33,649.15
  4. Step 4: Simplify right side
    138,829.27x = 7,007,168,313.25
  5. Step 5: Solve for x
    x = 7,007,168,313.25/138,829.27
  6. Step 6: Final answer
    x = 50,473.28

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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.