Home / 168,760.70-253,141.05-89,834.30

Finding the Fourth Proportional to 168,760.70, 253,141.05 and 89,834.30

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Solution

The fourth proportional to 168,760.70, 253,141.05 and 89,834.30 is: 134,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,760.70 : 253,141.05 = 89,834.30 : x
  2. Step 2: Convert to fraction form
    168,760.70/253,141.05 = 89,834.30/x
  3. Step 3: Cross multiply
    168,760.70x = 253,141.05 × 89,834.30
  4. Step 4: Simplify right side
    168,760.70x = 22,740,749,028.02
  5. Step 5: Solve for x
    x = 22,740,749,028.02/168,760.70
  6. Step 6: Final answer
    x = 134,751.45

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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.