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Finding the Fourth Proportional to 122,100.76, 183,149.88 and 33,354.28

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Solution

The fourth proportional to 122,100.76, 183,149.88 and 33,354.28 is: 50,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,100.76 : 183,149.88 = 33,354.28 : x
  2. Step 2: Convert to fraction form
    122,100.76/183,149.88 = 33,354.28/x
  3. Step 3: Cross multiply
    122,100.76x = 183,149.88 × 33,354.28
  4. Step 4: Simplify right side
    122,100.76x = 6,108,832,379.49
  5. Step 5: Solve for x
    x = 6,108,832,379.49/122,100.76
  6. Step 6: Final answer
    x = 50,031.08

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1.5x scale

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.