Home / 102,971.52-154,431.36-32,814.72

Finding the Fourth Proportional to 102,971.52, 154,431.36 and 32,814.72

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Solution

The fourth proportional to 102,971.52, 154,431.36 and 32,814.72 is: 49,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,971.52 : 154,431.36 = 32,814.72 : x
  2. Step 2: Convert to fraction form
    102,971.52/154,431.36 = 32,814.72/x
  3. Step 3: Cross multiply
    102,971.52x = 154,431.36 × 32,814.72
  4. Step 4: Simplify right side
    102,971.52x = 5,067,621,837.62
  5. Step 5: Solve for x
    x = 5,067,621,837.62/102,971.52
  6. Step 6: Final answer
    x = 49,213.82

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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.