Home / 122,459.24-168,982.20-68,733.77

Finding the Fourth Proportional to 122,459.24, 168,982.20 and 68,733.77

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Solution

The fourth proportional to 122,459.24, 168,982.20 and 68,733.77 is: 94,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459.24 : 168,982.20 = 68,733.77 : x
  2. Step 2: Convert to fraction form
    122,459.24/168,982.20 = 68,733.77/x
  3. Step 3: Cross multiply
    122,459.24x = 168,982.20 × 68,733.77
  4. Step 4: Simplify right side
    122,459.24x = 11,614,782,823.98
  5. Step 5: Solve for x
    x = 11,614,782,823.98/122,459.24
  6. Step 6: Final answer
    x = 94,846.11

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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.