Home / 138,929.02-208,393.50-33,747.28

Finding the Fourth Proportional to 138,929.02, 208,393.50 and 33,747.28

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Solution

The fourth proportional to 138,929.02, 208,393.50 and 33,747.28 is: 50,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,929.02 : 208,393.50 = 33,747.28 : x
  2. Step 2: Convert to fraction form
    138,929.02/208,393.50 = 33,747.28/x
  3. Step 3: Cross multiply
    138,929.02x = 208,393.50 × 33,747.28
  4. Step 4: Simplify right side
    138,929.02x = 7,032,713,794.68
  5. Step 5: Solve for x
    x = 7,032,713,794.68/138,929.02
  6. Step 6: Final answer
    x = 50,620.91

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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.