Home / 170,765.78-256,141.07-58,456.04

Finding the Fourth Proportional to 170,765.78, 256,141.07 and 58,456.04

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Solution

The fourth proportional to 170,765.78, 256,141.07 and 58,456.04 is: 87,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,765.78 : 256,141.07 = 58,456.04 : x
  2. Step 2: Convert to fraction form
    170,765.78/256,141.07 = 58,456.04/x
  3. Step 3: Cross multiply
    170,765.78x = 256,141.07 × 58,456.04
  4. Step 4: Simplify right side
    170,765.78x = 14,972,992,633.56
  5. Step 5: Solve for x
    x = 14,972,992,633.56/170,765.78
  6. Step 6: Final answer
    x = 87,681.46

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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.