Home / 122,202.20-183,467.33-78,024.80

Finding the Fourth Proportional to 122,202.20, 183,467.33 and 78,024.80

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Solution

The fourth proportional to 122,202.20, 183,467.33 and 78,024.80 is: 117,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,202.20 : 183,467.33 = 78,024.80 : x
  2. Step 2: Convert to fraction form
    122,202.20/183,467.33 = 78,024.80/x
  3. Step 3: Cross multiply
    122,202.20x = 183,467.33 × 78,024.80
  4. Step 4: Simplify right side
    122,202.20x = 14,315,001,339.66
  5. Step 5: Solve for x
    x = 14,315,001,339.66/122,202.20
  6. Step 6: Final answer
    x = 117,141.93

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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.