Home / 124,933.30-172,406.54-68,344

Finding the Fourth Proportional to 124,933.30, 172,406.54 and 68,344

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Solution

The fourth proportional to 124,933.30, 172,406.54 and 68,344 is: 94,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,933.30 : 172,406.54 = 68,344 : x
  2. Step 2: Convert to fraction form
    124,933.30/172,406.54 = 68,344/x
  3. Step 3: Cross multiply
    124,933.30x = 172,406.54 × 68,344
  4. Step 4: Simplify right side
    124,933.30x = 11,782,952,569.76
  5. Step 5: Solve for x
    x = 11,782,952,569.76/124,933.30
  6. Step 6: Final answer
    x = 94,313.95

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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.