Home / 122,105.10-183,048.30-80,005.35

Finding the Fourth Proportional to 122,105.10, 183,048.30 and 80,005.35

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Solution

The fourth proportional to 122,105.10, 183,048.30 and 80,005.35 is: 119,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,105.10 : 183,048.30 = 80,005.35 : x
  2. Step 2: Convert to fraction form
    122,105.10/183,048.30 = 80,005.35/x
  3. Step 3: Cross multiply
    122,105.10x = 183,048.30 × 80,005.35
  4. Step 4: Simplify right side
    122,105.10x = 14,644,843,308.41
  5. Step 5: Solve for x
    x = 14,644,843,308.41/122,105.10
  6. Step 6: Final answer
    x = 119,936.38

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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.