Home / 138,966.08-208,449.12-33,784.14

Finding the Fourth Proportional to 138,966.08, 208,449.12 and 33,784.14

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Solution

The fourth proportional to 138,966.08, 208,449.12 and 33,784.14 is: 50,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,966.08 : 208,449.12 = 33,784.14 : x
  2. Step 2: Convert to fraction form
    138,966.08/208,449.12 = 33,784.14/x
  3. Step 3: Cross multiply
    138,966.08x = 208,449.12 × 33,784.14
  4. Step 4: Simplify right side
    138,966.08x = 7,042,273,893.79
  5. Step 5: Solve for x
    x = 7,042,273,893.79/138,966.08
  6. Step 6: Final answer
    x = 50,676.21

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1.5x scale

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.