Home / 90,516.14-124,914.54-50,231.60

Finding the Fourth Proportional to 90,516.14, 124,914.54 and 50,231.60

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Solution

The fourth proportional to 90,516.14, 124,914.54 and 50,231.60 is: 69,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,516.14 : 124,914.54 = 50,231.60 : x
  2. Step 2: Convert to fraction form
    90,516.14/124,914.54 = 50,231.60/x
  3. Step 3: Cross multiply
    90,516.14x = 124,914.54 × 50,231.60
  4. Step 4: Simplify right side
    90,516.14x = 6,274,656,582.89
  5. Step 5: Solve for x
    x = 6,274,656,582.89/90,516.14
  6. Step 6: Final answer
    x = 69,320.86

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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.