Home / 138,852.67-208,228.77-50,082.34

Finding the Fourth Proportional to 138,852.67, 208,228.77 and 50,082.34

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Solution

The fourth proportional to 138,852.67, 208,228.77 and 50,082.34 is: 75,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,852.67 : 208,228.77 = 50,082.34 : x
  2. Step 2: Convert to fraction form
    138,852.67/208,228.77 = 50,082.34/x
  3. Step 3: Cross multiply
    138,852.67x = 208,228.77 × 50,082.34
  4. Step 4: Simplify right side
    138,852.67x = 10,428,584,056.92
  5. Step 5: Solve for x
    x = 10,428,584,056.92/138,852.67
  6. Step 6: Final answer
    x = 75,105.39

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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.