Home / 171,890.64-257,572.23-71,996.17

Finding the Fourth Proportional to 171,890.64, 257,572.23 and 71,996.17

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Solution

The fourth proportional to 171,890.64, 257,572.23 and 71,996.17 is: 107,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,890.64 : 257,572.23 = 71,996.17 : x
  2. Step 2: Convert to fraction form
    171,890.64/257,572.23 = 71,996.17/x
  3. Step 3: Cross multiply
    171,890.64x = 257,572.23 × 71,996.17
  4. Step 4: Simplify right side
    171,890.64x = 18,544,214,058.36
  5. Step 5: Solve for x
    x = 18,544,214,058.36/171,890.64
  6. Step 6: Final answer
    x = 107,883.79

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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.