Home / 171,565.20-257,399.84-82,802.16

Finding the Fourth Proportional to 171,565.20, 257,399.84 and 82,802.16

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Solution

The fourth proportional to 171,565.20, 257,399.84 and 82,802.16 is: 124,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,565.20 : 257,399.84 = 82,802.16 : x
  2. Step 2: Convert to fraction form
    171,565.20/257,399.84 = 82,802.16/x
  3. Step 3: Cross multiply
    171,565.20x = 257,399.84 × 82,802.16
  4. Step 4: Simplify right side
    171,565.20x = 21,313,262,735.65
  5. Step 5: Solve for x
    x = 21,313,262,735.65/171,565.20
  6. Step 6: Final answer
    x = 124,228.36

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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.