Home / 138,800.27-208,200.20-33,618.93

Finding the Fourth Proportional to 138,800.27, 208,200.20 and 33,618.93

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Solution

The fourth proportional to 138,800.27, 208,200.20 and 33,618.93 is: 50,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,800.27 : 208,200.20 = 33,618.93 : x
  2. Step 2: Convert to fraction form
    138,800.27/208,200.20 = 33,618.93/x
  3. Step 3: Cross multiply
    138,800.27x = 208,200.20 × 33,618.93
  4. Step 4: Simplify right side
    138,800.27x = 6,999,467,781.69
  5. Step 5: Solve for x
    x = 6,999,467,781.69/138,800.27
  6. Step 6: Final answer
    x = 50,428.35

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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.