Home / 161,942.14-223,480.50-90,326.76

Finding the Fourth Proportional to 161,942.14, 223,480.50 and 90,326.76

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Solution

The fourth proportional to 161,942.14, 223,480.50 and 90,326.76 is: 124,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,942.14 : 223,480.50 = 90,326.76 : x
  2. Step 2: Convert to fraction form
    161,942.14/223,480.50 = 90,326.76/x
  3. Step 3: Cross multiply
    161,942.14x = 223,480.50 × 90,326.76
  4. Step 4: Simplify right side
    161,942.14x = 20,186,269,488.18
  5. Step 5: Solve for x
    x = 20,186,269,488.18/161,942.14
  6. Step 6: Final answer
    x = 124,651.12

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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.