Home / 171,664.10-257,569.05-82,871.90

Finding the Fourth Proportional to 171,664.10, 257,569.05 and 82,871.90

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Solution

The fourth proportional to 171,664.10, 257,569.05 and 82,871.90 is: 124,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,664.10 : 257,569.05 = 82,871.90 : x
  2. Step 2: Convert to fraction form
    171,664.10/257,569.05 = 82,871.90/x
  3. Step 3: Cross multiply
    171,664.10x = 257,569.05 × 82,871.90
  4. Step 4: Simplify right side
    171,664.10x = 21,345,236,554.70
  5. Step 5: Solve for x
    x = 21,345,236,554.70/171,664.10
  6. Step 6: Final answer
    x = 124,343.04

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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.