Home / 122,724.44-183,975.84-85,302.12

Finding the Fourth Proportional to 122,724.44, 183,975.84 and 85,302.12

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Solution

The fourth proportional to 122,724.44, 183,975.84 and 85,302.12 is: 127,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,724.44 : 183,975.84 = 85,302.12 : x
  2. Step 2: Convert to fraction form
    122,724.44/183,975.84 = 85,302.12/x
  3. Step 3: Cross multiply
    122,724.44x = 183,975.84 × 85,302.12
  4. Step 4: Simplify right side
    122,724.44x = 15,693,529,180.78
  5. Step 5: Solve for x
    x = 15,693,529,180.78/122,724.44
  6. Step 6: Final answer
    x = 127,876.16

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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.