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Finding the Fourth Proportional to 122,136.30, 183,204.45 and 122,136.30

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Solution

The fourth proportional to 122,136.30, 183,204.45 and 122,136.30 is: 183,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,136.30 : 183,204.45 = 122,136.30 : x
  2. Step 2: Convert to fraction form
    122,136.30/183,204.45 = 122,136.30/x
  3. Step 3: Cross multiply
    122,136.30x = 183,204.45 × 122,136.30
  4. Step 4: Simplify right side
    122,136.30x = 22,375,913,666.54
  5. Step 5: Solve for x
    x = 22,375,913,666.54/122,136.30
  6. Step 6: Final answer
    x = 183,204.45

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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.