Home / 161,944.80-223,484.21-90,329.46

Finding the Fourth Proportional to 161,944.80, 223,484.21 and 90,329.46

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Solution

The fourth proportional to 161,944.80, 223,484.21 and 90,329.46 is: 124,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944.80 : 223,484.21 = 90,329.46 : x
  2. Step 2: Convert to fraction form
    161,944.80/223,484.21 = 90,329.46/x
  3. Step 3: Cross multiply
    161,944.80x = 223,484.21 × 90,329.46
  4. Step 4: Simplify right side
    161,944.80x = 20,187,208,007.83
  5. Step 5: Solve for x
    x = 20,187,208,007.83/161,944.80
  6. Step 6: Final answer
    x = 124,654.87

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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.