Home / 161,794.26-223,283.69-90,174.78

Finding the Fourth Proportional to 161,794.26, 223,283.69 and 90,174.78

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Solution

The fourth proportional to 161,794.26, 223,283.69 and 90,174.78 is: 124,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,794.26 : 223,283.69 = 90,174.78 : x
  2. Step 2: Convert to fraction form
    161,794.26/223,283.69 = 90,174.78/x
  3. Step 3: Cross multiply
    161,794.26x = 223,283.69 × 90,174.78
  4. Step 4: Simplify right side
    161,794.26x = 20,134,557,172.46
  5. Step 5: Solve for x
    x = 20,134,557,172.46/161,794.26
  6. Step 6: Final answer
    x = 124,445.44

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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.