Home / 138,847.78-208,228.58-50,089.71

Finding the Fourth Proportional to 138,847.78, 208,228.58 and 50,089.71

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Solution

The fourth proportional to 138,847.78, 208,228.58 and 50,089.71 is: 75,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,847.78 : 208,228.58 = 50,089.71 : x
  2. Step 2: Convert to fraction form
    138,847.78/208,228.58 = 50,089.71/x
  3. Step 3: Cross multiply
    138,847.78x = 208,228.58 × 50,089.71
  4. Step 4: Simplify right side
    138,847.78x = 10,430,109,185.91
  5. Step 5: Solve for x
    x = 10,430,109,185.91/138,847.78
  6. Step 6: Final answer
    x = 75,119.02

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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.