Home / 102,548.75-153,822.47-55,186.15

Finding the Fourth Proportional to 102,548.75, 153,822.47 and 55,186.15

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Solution

The fourth proportional to 102,548.75, 153,822.47 and 55,186.15 is: 82,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,548.75 : 153,822.47 = 55,186.15 : x
  2. Step 2: Convert to fraction form
    102,548.75/153,822.47 = 55,186.15/x
  3. Step 3: Cross multiply
    102,548.75x = 153,822.47 × 55,186.15
  4. Step 4: Simplify right side
    102,548.75x = 8,488,869,902.79
  5. Step 5: Solve for x
    x = 8,488,869,902.79/102,548.75
  6. Step 6: Final answer
    x = 82,778.87

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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.