Home / 170,971.92-256,531.70-92,070.42

Finding the Fourth Proportional to 170,971.92, 256,531.70 and 92,070.42

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Solution

The fourth proportional to 170,971.92, 256,531.70 and 92,070.42 is: 138,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,971.92 : 256,531.70 = 92,070.42 : x
  2. Step 2: Convert to fraction form
    170,971.92/256,531.70 = 92,070.42/x
  3. Step 3: Cross multiply
    170,971.92x = 256,531.70 × 92,070.42
  4. Step 4: Simplify right side
    170,971.92x = 23,618,981,362.31
  5. Step 5: Solve for x
    x = 23,618,981,362.31/170,971.92
  6. Step 6: Final answer
    x = 138,145.38

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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.