Home / 171,720.76-236,768.70-111,269.34

Finding the Fourth Proportional to 171,720.76, 236,768.70 and 111,269.34

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Solution

The fourth proportional to 171,720.76, 236,768.70 and 111,269.34 is: 153,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,720.76 : 236,768.70 = 111,269.34 : x
  2. Step 2: Convert to fraction form
    171,720.76/236,768.70 = 111,269.34/x
  3. Step 3: Cross multiply
    171,720.76x = 236,768.70 × 111,269.34
  4. Step 4: Simplify right side
    171,720.76x = 26,345,096,981.66
  5. Step 5: Solve for x
    x = 26,345,096,981.66/171,720.76
  6. Step 6: Final answer
    x = 153,418.24

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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.