Home / 100,644.76-151,010.25-34,091.92

Finding the Fourth Proportional to 100,644.76, 151,010.25 and 34,091.92

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Solution

The fourth proportional to 100,644.76, 151,010.25 and 34,091.92 is: 51,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,644.76 : 151,010.25 = 34,091.92 : x
  2. Step 2: Convert to fraction form
    100,644.76/151,010.25 = 34,091.92/x
  3. Step 3: Cross multiply
    100,644.76x = 151,010.25 × 34,091.92
  4. Step 4: Simplify right side
    100,644.76x = 5,148,229,362.18
  5. Step 5: Solve for x
    x = 5,148,229,362.18/100,644.76
  6. Step 6: Final answer
    x = 51,152.48

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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.