Home / 89,100.46-122,959.70-50,865.22

Finding the Fourth Proportional to 89,100.46, 122,959.70 and 50,865.22

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Solution

The fourth proportional to 89,100.46, 122,959.70 and 50,865.22 is: 70,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,100.46 : 122,959.70 = 50,865.22 : x
  2. Step 2: Convert to fraction form
    89,100.46/122,959.70 = 50,865.22/x
  3. Step 3: Cross multiply
    89,100.46x = 122,959.70 × 50,865.22
  4. Step 4: Simplify right side
    89,100.46x = 6,254,371,447.05
  5. Step 5: Solve for x
    x = 6,254,371,447.05/89,100.46
  6. Step 6: Final answer
    x = 70,194.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.