Home / 122,631.80-183,947.70-43,748.60

Finding the Fourth Proportional to 122,631.80, 183,947.70 and 43,748.60

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Solution

The fourth proportional to 122,631.80, 183,947.70 and 43,748.60 is: 65,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,631.80 : 183,947.70 = 43,748.60 : x
  2. Step 2: Convert to fraction form
    122,631.80/183,947.70 = 43,748.60/x
  3. Step 3: Cross multiply
    122,631.80x = 183,947.70 × 43,748.60
  4. Step 4: Simplify right side
    122,631.80x = 8,047,454,348.22
  5. Step 5: Solve for x
    x = 8,047,454,348.22/122,631.80
  6. Step 6: Final answer
    x = 65,622.90

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Similar ratio
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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.