Home / 161,743.74-223,203.39-90,122.22

Finding the Fourth Proportional to 161,743.74, 223,203.39 and 90,122.22

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Solution

The fourth proportional to 161,743.74, 223,203.39 and 90,122.22 is: 124,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,743.74 : 223,203.39 = 90,122.22 : x
  2. Step 2: Convert to fraction form
    161,743.74/223,203.39 = 90,122.22/x
  3. Step 3: Cross multiply
    161,743.74x = 223,203.39 × 90,122.22
  4. Step 4: Simplify right side
    161,743.74x = 20,115,585,018.33
  5. Step 5: Solve for x
    x = 20,115,585,018.33/161,743.74
  6. Step 6: Final answer
    x = 124,367.01

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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.