Home / 122,619.60-183,832.20-67,215.60

Finding the Fourth Proportional to 122,619.60, 183,832.20 and 67,215.60

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Solution

The fourth proportional to 122,619.60, 183,832.20 and 67,215.60 is: 100,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,619.60 : 183,832.20 = 67,215.60 : x
  2. Step 2: Convert to fraction form
    122,619.60/183,832.20 = 67,215.60/x
  3. Step 3: Cross multiply
    122,619.60x = 183,832.20 × 67,215.60
  4. Step 4: Simplify right side
    122,619.60x = 12,356,391,622.32
  5. Step 5: Solve for x
    x = 12,356,391,622.32/122,619.60
  6. Step 6: Final answer
    x = 100,770.12

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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.