Home / 171,816.30-257,287.05-163,943.10

Finding the Fourth Proportional to 171,816.30, 257,287.05 and 163,943.10

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Solution

The fourth proportional to 171,816.30, 257,287.05 and 163,943.10 is: 245,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,816.30 : 257,287.05 = 163,943.10 : x
  2. Step 2: Convert to fraction form
    171,816.30/257,287.05 = 163,943.10/x
  3. Step 3: Cross multiply
    171,816.30x = 257,287.05 × 163,943.10
  4. Step 4: Simplify right side
    171,816.30x = 42,180,436,566.86
  5. Step 5: Solve for x
    x = 42,180,436,566.86/171,816.30
  6. Step 6: Final answer
    x = 245,497.29

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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.