Home / 122,414.40-183,647.20-39,316.80

Finding the Fourth Proportional to 122,414.40, 183,647.20 and 39,316.80

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Solution

The fourth proportional to 122,414.40, 183,647.20 and 39,316.80 is: 58,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,414.40 : 183,647.20 = 39,316.80 : x
  2. Step 2: Convert to fraction form
    122,414.40/183,647.20 = 39,316.80/x
  3. Step 3: Cross multiply
    122,414.40x = 183,647.20 × 39,316.80
  4. Step 4: Simplify right side
    122,414.40x = 7,220,420,232.96
  5. Step 5: Solve for x
    x = 7,220,420,232.96/122,414.40
  6. Step 6: Final answer
    x = 58,983.42

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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.