Home / 170,839.86-256,284.29-52,521.13

Finding the Fourth Proportional to 170,839.86, 256,284.29 and 52,521.13

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Solution

The fourth proportional to 170,839.86, 256,284.29 and 52,521.13 is: 78,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,839.86 : 256,284.29 = 52,521.13 : x
  2. Step 2: Convert to fraction form
    170,839.86/256,284.29 = 52,521.13/x
  3. Step 3: Cross multiply
    170,839.86x = 256,284.29 × 52,521.13
  4. Step 4: Simplify right side
    170,839.86x = 13,460,340,512.05
  5. Step 5: Solve for x
    x = 13,460,340,512.05/170,839.86
  6. Step 6: Final answer
    x = 78,789.23

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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.