Home / 90,480.51-135,732.24-34,340.22

Finding the Fourth Proportional to 90,480.51, 135,732.24 and 34,340.22

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Solution

The fourth proportional to 90,480.51, 135,732.24 and 34,340.22 is: 51,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,480.51 : 135,732.24 = 34,340.22 : x
  2. Step 2: Convert to fraction form
    90,480.51/135,732.24 = 34,340.22/x
  3. Step 3: Cross multiply
    90,480.51x = 135,732.24 × 34,340.22
  4. Step 4: Simplify right side
    90,480.51x = 4,661,074,982.69
  5. Step 5: Solve for x
    x = 4,661,074,982.69/90,480.51
  6. Step 6: Final answer
    x = 51,514.69

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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.