Home / 122,771.57-169,423.54-68,322.82

Finding the Fourth Proportional to 122,771.57, 169,423.54 and 68,322.82

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Solution

The fourth proportional to 122,771.57, 169,423.54 and 68,322.82 is: 94,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,771.57 : 169,423.54 = 68,322.82 : x
  2. Step 2: Convert to fraction form
    122,771.57/169,423.54 = 68,322.82/x
  3. Step 3: Cross multiply
    122,771.57x = 169,423.54 × 68,322.82
  4. Step 4: Simplify right side
    122,771.57x = 11,575,494,027.18
  5. Step 5: Solve for x
    x = 11,575,494,027.18/122,771.57
  6. Step 6: Final answer
    x = 94,284.81

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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.