Home / 161,794.51-223,284.03-90,175.03

Finding the Fourth Proportional to 161,794.51, 223,284.03 and 90,175.03

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Solution

The fourth proportional to 161,794.51, 223,284.03 and 90,175.03 is: 124,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,794.51 : 223,284.03 = 90,175.03 : x
  2. Step 2: Convert to fraction form
    161,794.51/223,284.03 = 90,175.03/x
  3. Step 3: Cross multiply
    161,794.51x = 223,284.03 × 90,175.03
  4. Step 4: Simplify right side
    161,794.51x = 20,134,644,103.77
  5. Step 5: Solve for x
    x = 20,134,644,103.77/161,794.51
  6. Step 6: Final answer
    x = 124,445.78

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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.