Home / 171,981.90-257,972.85-165,092.85

Finding the Fourth Proportional to 171,981.90, 257,972.85 and 165,092.85

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Solution

The fourth proportional to 171,981.90, 257,972.85 and 165,092.85 is: 247,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,981.90 : 257,972.85 = 165,092.85 : x
  2. Step 2: Convert to fraction form
    171,981.90/257,972.85 = 165,092.85/x
  3. Step 3: Cross multiply
    171,981.90x = 257,972.85 × 165,092.85
  4. Step 4: Simplify right side
    171,981.90x = 42,589,473,029.12
  5. Step 5: Solve for x
    x = 42,589,473,029.12/171,981.90
  6. Step 6: Final answer
    x = 247,639.28

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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.