Home / 124,977.26-172,468.63-68,388.64

Finding the Fourth Proportional to 124,977.26, 172,468.63 and 68,388.64

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Solution

The fourth proportional to 124,977.26, 172,468.63 and 68,388.64 is: 94,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,977.26 : 172,468.63 = 68,388.64 : x
  2. Step 2: Convert to fraction form
    124,977.26/172,468.63 = 68,388.64/x
  3. Step 3: Cross multiply
    124,977.26x = 172,468.63 × 68,388.64
  4. Step 4: Simplify right side
    124,977.26x = 11,794,895,048.36
  5. Step 5: Solve for x
    x = 11,794,895,048.36/124,977.26
  6. Step 6: Final answer
    x = 94,376.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.