Home / 171,462.68-257,360.02-82,778.41

Finding the Fourth Proportional to 171,462.68, 257,360.02 and 82,778.41

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Solution

The fourth proportional to 171,462.68, 257,360.02 and 82,778.41 is: 124,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,462.68 : 257,360.02 = 82,778.41 : x
  2. Step 2: Convert to fraction form
    171,462.68/257,360.02 = 82,778.41/x
  3. Step 3: Cross multiply
    171,462.68x = 257,360.02 × 82,778.41
  4. Step 4: Simplify right side
    171,462.68x = 21,303,852,402.82
  5. Step 5: Solve for x
    x = 21,303,852,402.82/171,462.68
  6. Step 6: Final answer
    x = 124,247.75

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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.