Home / 170,865.20-256,301.86-52,537.62

Finding the Fourth Proportional to 170,865.20, 256,301.86 and 52,537.62

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Solution

The fourth proportional to 170,865.20, 256,301.86 and 52,537.62 is: 78,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,865.20 : 256,301.86 = 52,537.62 : x
  2. Step 2: Convert to fraction form
    170,865.20/256,301.86 = 52,537.62/x
  3. Step 3: Cross multiply
    170,865.20x = 256,301.86 × 52,537.62
  4. Step 4: Simplify right side
    170,865.20x = 13,465,489,725.97
  5. Step 5: Solve for x
    x = 13,465,489,725.97/170,865.20
  6. Step 6: Final answer
    x = 78,807.68

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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.