Home / 171,462.20-257,359.30-82,777.95

Finding the Fourth Proportional to 171,462.20, 257,359.30 and 82,777.95

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Solution

The fourth proportional to 171,462.20, 257,359.30 and 82,777.95 is: 124,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,462.20 : 257,359.30 = 82,777.95 : x
  2. Step 2: Convert to fraction form
    171,462.20/257,359.30 = 82,777.95/x
  3. Step 3: Cross multiply
    171,462.20x = 257,359.30 × 82,777.95
  4. Step 4: Simplify right side
    171,462.20x = 21,303,675,060.49
  5. Step 5: Solve for x
    x = 21,303,675,060.49/171,462.20
  6. Step 6: Final answer
    x = 124,247.07

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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.