Home / 171,514.80-257,557.32-115,713.90

Finding the Fourth Proportional to 171,514.80, 257,557.32 and 115,713.90

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Solution

The fourth proportional to 171,514.80, 257,557.32 and 115,713.90 is: 173,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,514.80 : 257,557.32 = 115,713.90 : x
  2. Step 2: Convert to fraction form
    171,514.80/257,557.32 = 115,713.90/x
  3. Step 3: Cross multiply
    171,514.80x = 257,557.32 × 115,713.90
  4. Step 4: Simplify right side
    171,514.80x = 29,802,961,970.75
  5. Step 5: Solve for x
    x = 29,802,961,970.75/171,514.80
  6. Step 6: Final answer
    x = 173,763.21

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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.