Home / 122,014.30-183,021.45-102,768.70

Finding the Fourth Proportional to 122,014.30, 183,021.45 and 102,768.70

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Solution

The fourth proportional to 122,014.30, 183,021.45 and 102,768.70 is: 154,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,014.30 : 183,021.45 = 102,768.70 : x
  2. Step 2: Convert to fraction form
    122,014.30/183,021.45 = 102,768.70/x
  3. Step 3: Cross multiply
    122,014.30x = 183,021.45 × 102,768.70
  4. Step 4: Simplify right side
    122,014.30x = 18,808,876,488.62
  5. Step 5: Solve for x
    x = 18,808,876,488.62/122,014.30
  6. Step 6: Final answer
    x = 154,153.05

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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.