Home / 171,582.43-257,285.89-71,715.37

Finding the Fourth Proportional to 171,582.43, 257,285.89 and 71,715.37

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Solution

The fourth proportional to 171,582.43, 257,285.89 and 71,715.37 is: 107,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,582.43 : 257,285.89 = 71,715.37 : x
  2. Step 2: Convert to fraction form
    171,582.43/257,285.89 = 71,715.37/x
  3. Step 3: Cross multiply
    171,582.43x = 257,285.89 × 71,715.37
  4. Step 4: Simplify right side
    171,582.43x = 18,451,352,797.13
  5. Step 5: Solve for x
    x = 18,451,352,797.13/171,582.43
  6. Step 6: Final answer
    x = 107,536.38

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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.