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Finding the Fourth Proportional to 151,932.67, 209,667.13 and 84,864.67

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Solution

The fourth proportional to 151,932.67, 209,667.13 and 84,864.67 is: 117,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,932.67 : 209,667.13 = 84,864.67 : x
  2. Step 2: Convert to fraction form
    151,932.67/209,667.13 = 84,864.67/x
  3. Step 3: Cross multiply
    151,932.67x = 209,667.13 × 84,864.67
  4. Step 4: Simplify right side
    151,932.67x = 17,793,331,060.97
  5. Step 5: Solve for x
    x = 17,793,331,060.97/151,932.67
  6. Step 6: Final answer
    x = 117,113.27

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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.