Home / 171,756.27-257,651.42-59,420.61

Finding the Fourth Proportional to 171,756.27, 257,651.42 and 59,420.61

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Solution

The fourth proportional to 171,756.27, 257,651.42 and 59,420.61 is: 89,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,756.27 : 257,651.42 = 59,420.61 : x
  2. Step 2: Convert to fraction form
    171,756.27/257,651.42 = 59,420.61/x
  3. Step 3: Cross multiply
    171,756.27x = 257,651.42 × 59,420.61
  4. Step 4: Simplify right side
    171,756.27x = 15,309,804,246.66
  5. Step 5: Solve for x
    x = 15,309,804,246.66/171,756.27
  6. Step 6: Final answer
    x = 89,136.80

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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.