Home / 89,573.28-122,825.12-87,240.48

Finding the Fourth Proportional to 89,573.28, 122,825.12 and 87,240.48

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Solution

The fourth proportional to 89,573.28, 122,825.12 and 87,240.48 is: 119,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,573.28 : 122,825.12 = 87,240.48 : x
  2. Step 2: Convert to fraction form
    89,573.28/122,825.12 = 87,240.48/x
  3. Step 3: Cross multiply
    89,573.28x = 122,825.12 × 87,240.48
  4. Step 4: Simplify right side
    89,573.28x = 10,715,322,424.86
  5. Step 5: Solve for x
    x = 10,715,322,424.86/89,573.28
  6. Step 6: Final answer
    x = 119,626.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.