Home / 171,929.10-257,930.10-51,976.20

Finding the Fourth Proportional to 171,929.10, 257,930.10 and 51,976.20

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Solution

The fourth proportional to 171,929.10, 257,930.10 and 51,976.20 is: 77,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,929.10 : 257,930.10 = 51,976.20 : x
  2. Step 2: Convert to fraction form
    171,929.10/257,930.10 = 51,976.20/x
  3. Step 3: Cross multiply
    171,929.10x = 257,930.10 × 51,976.20
  4. Step 4: Simplify right side
    171,929.10x = 13,406,226,463.62
  5. Step 5: Solve for x
    x = 13,406,226,463.62/171,929.10
  6. Step 6: Final answer
    x = 77,975.32

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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.