Home / 171,659.25-257,559.75-92,680.47

Finding the Fourth Proportional to 171,659.25, 257,559.75 and 92,680.47

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Solution

The fourth proportional to 171,659.25, 257,559.75 and 92,680.47 is: 139,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,659.25 : 257,559.75 = 92,680.47 : x
  2. Step 2: Convert to fraction form
    171,659.25/257,559.75 = 92,680.47/x
  3. Step 3: Cross multiply
    171,659.25x = 257,559.75 × 92,680.47
  4. Step 4: Simplify right side
    171,659.25x = 23,870,758,683.08
  5. Step 5: Solve for x
    x = 23,870,758,683.08/171,659.25
  6. Step 6: Final answer
    x = 139,058.97

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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.