Home / 138,855.56-208,240.28-50,097.54

Finding the Fourth Proportional to 138,855.56, 208,240.28 and 50,097.54

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Solution

The fourth proportional to 138,855.56, 208,240.28 and 50,097.54 is: 75,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,855.56 : 208,240.28 = 50,097.54 : x
  2. Step 2: Convert to fraction form
    138,855.56/208,240.28 = 50,097.54/x
  3. Step 3: Cross multiply
    138,855.56x = 208,240.28 × 50,097.54
  4. Step 4: Simplify right side
    138,855.56x = 10,432,325,756.91
  5. Step 5: Solve for x
    x = 10,432,325,756.91/138,855.56
  6. Step 6: Final answer
    x = 75,130.77

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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.