Home / 122,711.04-169,348.32-68,996.16

Finding the Fourth Proportional to 122,711.04, 169,348.32 and 68,996.16

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Solution

The fourth proportional to 122,711.04, 169,348.32 and 68,996.16 is: 95,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711.04 : 169,348.32 = 68,996.16 : x
  2. Step 2: Convert to fraction form
    122,711.04/169,348.32 = 68,996.16/x
  3. Step 3: Cross multiply
    122,711.04x = 169,348.32 × 68,996.16
  4. Step 4: Simplify right side
    122,711.04x = 11,684,383,782.45
  5. Step 5: Solve for x
    x = 11,684,383,782.45/122,711.04
  6. Step 6: Final answer
    x = 95,218.68

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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.