Home / 122,070.30-183,234.87-108,120.84

Finding the Fourth Proportional to 122,070.30, 183,234.87 and 108,120.84

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Solution

The fourth proportional to 122,070.30, 183,234.87 and 108,120.84 is: 162,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,070.30 : 183,234.87 = 108,120.84 : x
  2. Step 2: Convert to fraction form
    122,070.30/183,234.87 = 108,120.84/x
  3. Step 3: Cross multiply
    122,070.30x = 183,234.87 × 108,120.84
  4. Step 4: Simplify right side
    122,070.30x = 19,811,508,061.69
  5. Step 5: Solve for x
    x = 19,811,508,061.69/122,070.30
  6. Step 6: Final answer
    x = 162,295.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.