Home / 168,420.28-232,495.62-111,093.40

Finding the Fourth Proportional to 168,420.28, 232,495.62 and 111,093.40

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Solution

The fourth proportional to 168,420.28, 232,495.62 and 111,093.40 is: 153,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,420.28 : 232,495.62 = 111,093.40 : x
  2. Step 2: Convert to fraction form
    168,420.28/232,495.62 = 111,093.40/x
  3. Step 3: Cross multiply
    168,420.28x = 232,495.62 × 111,093.40
  4. Step 4: Simplify right side
    168,420.28x = 25,828,728,910.91
  5. Step 5: Solve for x
    x = 25,828,728,910.91/168,420.28
  6. Step 6: Final answer
    x = 153,358.78

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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.