Home / 122,130.50-183,173.78-43,245.14

Finding the Fourth Proportional to 122,130.50, 183,173.78 and 43,245.14

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Solution

The fourth proportional to 122,130.50, 183,173.78 and 43,245.14 is: 64,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,130.50 : 183,173.78 = 43,245.14 : x
  2. Step 2: Convert to fraction form
    122,130.50/183,173.78 = 43,245.14/x
  3. Step 3: Cross multiply
    122,130.50x = 183,173.78 × 43,245.14
  4. Step 4: Simplify right side
    122,130.50x = 7,921,375,760.43
  5. Step 5: Solve for x
    x = 7,921,375,760.43/122,130.50
  6. Step 6: Final answer
    x = 64,859.93

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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.