Home / 138,853.73-208,280.60-33,672.70

Finding the Fourth Proportional to 138,853.73, 208,280.60 and 33,672.70

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Solution

The fourth proportional to 138,853.73, 208,280.60 and 33,672.70 is: 50,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,853.73 : 208,280.60 = 33,672.70 : x
  2. Step 2: Convert to fraction form
    138,853.73/208,280.60 = 33,672.70/x
  3. Step 3: Cross multiply
    138,853.73x = 208,280.60 × 33,672.70
  4. Step 4: Simplify right side
    138,853.73x = 7,013,370,377.88
  5. Step 5: Solve for x
    x = 7,013,370,377.88/138,853.73
  6. Step 6: Final answer
    x = 50,509.05

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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.