Home / 90,023.64-135,079.44-60,057.36

Finding the Fourth Proportional to 90,023.64, 135,079.44 and 60,057.36

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Solution

The fourth proportional to 90,023.64, 135,079.44 and 60,057.36 is: 90,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,023.64 : 135,079.44 = 60,057.36 : x
  2. Step 2: Convert to fraction form
    90,023.64/135,079.44 = 60,057.36/x
  3. Step 3: Cross multiply
    90,023.64x = 135,079.44 × 60,057.36
  4. Step 4: Simplify right side
    90,023.64x = 8,112,514,556.68
  5. Step 5: Solve for x
    x = 8,112,514,556.68/90,023.64
  6. Step 6: Final answer
    x = 90,115.38

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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.