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Finding the Fourth Proportional to 170,260.38, 234,978.57 and 109,806.84

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Solution

The fourth proportional to 170,260.38, 234,978.57 and 109,806.84 is: 151,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,260.38 : 234,978.57 = 109,806.84 : x
  2. Step 2: Convert to fraction form
    170,260.38/234,978.57 = 109,806.84/x
  3. Step 3: Cross multiply
    170,260.38x = 234,978.57 × 109,806.84
  4. Step 4: Simplify right side
    170,260.38x = 25,802,254,239.42
  5. Step 5: Solve for x
    x = 25,802,254,239.42/170,260.38
  6. Step 6: Final answer
    x = 151,545.85

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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.