Home / 171,735.18-236,997-103,742.71

Finding the Fourth Proportional to 171,735.18, 236,997 and 103,742.71

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Solution

The fourth proportional to 171,735.18, 236,997 and 103,742.71 is: 143,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,735.18 : 236,997 = 103,742.71 : x
  2. Step 2: Convert to fraction form
    171,735.18/236,997 = 103,742.71/x
  3. Step 3: Cross multiply
    171,735.18x = 236,997 × 103,742.71
  4. Step 4: Simplify right side
    171,735.18x = 24,586,711,041.87
  5. Step 5: Solve for x
    x = 24,586,711,041.87/171,735.18
  6. Step 6: Final answer
    x = 143,166.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.