Home / 102,769.35-154,060.60-39,549.16

Finding the Fourth Proportional to 102,769.35, 154,060.60 and 39,549.16

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Solution

The fourth proportional to 102,769.35, 154,060.60 and 39,549.16 is: 59,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,769.35 : 154,060.60 = 39,549.16 : x
  2. Step 2: Convert to fraction form
    102,769.35/154,060.60 = 39,549.16/x
  3. Step 3: Cross multiply
    102,769.35x = 154,060.60 × 39,549.16
  4. Step 4: Simplify right side
    102,769.35x = 6,092,966,351.05
  5. Step 5: Solve for x
    x = 6,092,966,351.05/102,769.35
  6. Step 6: Final answer
    x = 59,287.78

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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.