Home / 171,921.84-257,577.66-71,861.46

Finding the Fourth Proportional to 171,921.84, 257,577.66 and 71,861.46

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Solution

The fourth proportional to 171,921.84, 257,577.66 and 71,861.46 is: 107,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,921.84 : 257,577.66 = 71,861.46 : x
  2. Step 2: Convert to fraction form
    171,921.84/257,577.66 = 71,861.46/x
  3. Step 3: Cross multiply
    171,921.84x = 257,577.66 × 71,861.46
  4. Step 4: Simplify right side
    171,921.84x = 18,509,906,710.98
  5. Step 5: Solve for x
    x = 18,509,906,710.98/171,921.84
  6. Step 6: Final answer
    x = 107,664.66

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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.