Home / 122,265.86-168,723-68,553.95

Finding the Fourth Proportional to 122,265.86, 168,723 and 68,553.95

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Solution

The fourth proportional to 122,265.86, 168,723 and 68,553.95 is: 94,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,265.86 : 168,723 = 68,553.95 : x
  2. Step 2: Convert to fraction form
    122,265.86/168,723 = 68,553.95/x
  3. Step 3: Cross multiply
    122,265.86x = 168,723 × 68,553.95
  4. Step 4: Simplify right side
    122,265.86x = 11,566,627,262.24
  5. Step 5: Solve for x
    x = 11,566,627,262.24/122,265.86
  6. Step 6: Final answer
    x = 94,602.27

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1.5x scale

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.