Home / 171,562.20-257,444.40-71,714.70

Finding the Fourth Proportional to 171,562.20, 257,444.40 and 71,714.70

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Solution

The fourth proportional to 171,562.20, 257,444.40 and 71,714.70 is: 107,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,562.20 : 257,444.40 = 71,714.70 : x
  2. Step 2: Convert to fraction form
    171,562.20/257,444.40 = 71,714.70/x
  3. Step 3: Cross multiply
    171,562.20x = 257,444.40 × 71,714.70
  4. Step 4: Simplify right side
    171,562.20x = 18,462,547,912.68
  5. Step 5: Solve for x
    x = 18,462,547,912.68/171,562.20
  6. Step 6: Final answer
    x = 107,614.31

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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.