Home / 151,011.45-208,383.39-88,912.07

Finding the Fourth Proportional to 151,011.45, 208,383.39 and 88,912.07

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Solution

The fourth proportional to 151,011.45, 208,383.39 and 88,912.07 is: 122,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,011.45 : 208,383.39 = 88,912.07 : x
  2. Step 2: Convert to fraction form
    151,011.45/208,383.39 = 88,912.07/x
  3. Step 3: Cross multiply
    151,011.45x = 208,383.39 × 88,912.07
  4. Step 4: Simplify right side
    151,011.45x = 18,527,797,516.60
  5. Step 5: Solve for x
    x = 18,527,797,516.60/151,011.45
  6. Step 6: Final answer
    x = 122,691.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.