Home / 138,836.06-208,254.08-33,655.03

Finding the Fourth Proportional to 138,836.06, 208,254.08 and 33,655.03

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Solution

The fourth proportional to 138,836.06, 208,254.08 and 33,655.03 is: 50,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,836.06 : 208,254.08 = 33,655.03 : x
  2. Step 2: Convert to fraction form
    138,836.06/208,254.08 = 33,655.03/x
  3. Step 3: Cross multiply
    138,836.06x = 208,254.08 × 33,655.03
  4. Step 4: Simplify right side
    138,836.06x = 7,008,796,517.06
  5. Step 5: Solve for x
    x = 7,008,796,517.06/138,836.06
  6. Step 6: Final answer
    x = 50,482.54

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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.