Home / 161,694.80-223,155.24-90,086.48

Finding the Fourth Proportional to 161,694.80, 223,155.24 and 90,086.48

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Solution

The fourth proportional to 161,694.80, 223,155.24 and 90,086.48 is: 124,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,694.80 : 223,155.24 = 90,086.48 : x
  2. Step 2: Convert to fraction form
    161,694.80/223,155.24 = 90,086.48/x
  3. Step 3: Cross multiply
    161,694.80x = 223,155.24 × 90,086.48
  4. Step 4: Simplify right side
    161,694.80x = 20,103,270,065.16
  5. Step 5: Solve for x
    x = 20,103,270,065.16/161,694.80
  6. Step 6: Final answer
    x = 124,328.49

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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.