Home / 171,129.32-256,600.02-52,767.80

Finding the Fourth Proportional to 171,129.32, 256,600.02 and 52,767.80

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Solution

The fourth proportional to 171,129.32, 256,600.02 and 52,767.80 is: 79,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,129.32 : 256,600.02 = 52,767.80 : x
  2. Step 2: Convert to fraction form
    171,129.32/256,600.02 = 52,767.80/x
  3. Step 3: Cross multiply
    171,129.32x = 256,600.02 × 52,767.80
  4. Step 4: Simplify right side
    171,129.32x = 13,540,218,535.36
  5. Step 5: Solve for x
    x = 13,540,218,535.36/171,129.32
  6. Step 6: Final answer
    x = 79,122.73

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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.