Home / 102,115.35-153,177.48-35,560.62

Finding the Fourth Proportional to 102,115.35, 153,177.48 and 35,560.62

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Solution

The fourth proportional to 102,115.35, 153,177.48 and 35,560.62 is: 53,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,115.35 : 153,177.48 = 35,560.62 : x
  2. Step 2: Convert to fraction form
    102,115.35/153,177.48 = 35,560.62/x
  3. Step 3: Cross multiply
    102,115.35x = 153,177.48 × 35,560.62
  4. Step 4: Simplify right side
    102,115.35x = 5,447,086,158.84
  5. Step 5: Solve for x
    x = 5,447,086,158.84/102,115.35
  6. Step 6: Final answer
    x = 53,342.48

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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.