Home / 171,432.20-257,189.36-71,536.83

Finding the Fourth Proportional to 171,432.20, 257,189.36 and 71,536.83

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Solution

The fourth proportional to 171,432.20, 257,189.36 and 71,536.83 is: 107,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,432.20 : 257,189.36 = 71,536.83 : x
  2. Step 2: Convert to fraction form
    171,432.20/257,189.36 = 71,536.83/x
  3. Step 3: Cross multiply
    171,432.20x = 257,189.36 × 71,536.83
  4. Step 4: Simplify right side
    171,432.20x = 18,398,510,470.25
  5. Step 5: Solve for x
    x = 18,398,510,470.25/171,432.20
  6. Step 6: Final answer
    x = 107,322.37

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1.5x scale

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.