Home / 115,244.98-172,754.44-55,256.45

Finding the Fourth Proportional to 115,244.98, 172,754.44 and 55,256.45

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Solution

The fourth proportional to 115,244.98, 172,754.44 and 55,256.45 is: 82,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,244.98 : 172,754.44 = 55,256.45 : x
  2. Step 2: Convert to fraction form
    115,244.98/172,754.44 = 55,256.45/x
  3. Step 3: Cross multiply
    115,244.98x = 172,754.44 × 55,256.45
  4. Step 4: Simplify right side
    115,244.98x = 9,545,796,074.22
  5. Step 5: Solve for x
    x = 9,545,796,074.22/115,244.98
  6. Step 6: Final answer
    x = 82,830.47

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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.