Home / 161,639.32-223,046.25-90,025.99

Finding the Fourth Proportional to 161,639.32, 223,046.25 and 90,025.99

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Solution

The fourth proportional to 161,639.32, 223,046.25 and 90,025.99 is: 124,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,639.32 : 223,046.25 = 90,025.99 : x
  2. Step 2: Convert to fraction form
    161,639.32/223,046.25 = 90,025.99/x
  3. Step 3: Cross multiply
    161,639.32x = 223,046.25 × 90,025.99
  4. Step 4: Simplify right side
    161,639.32x = 20,079,959,472.04
  5. Step 5: Solve for x
    x = 20,079,959,472.04/161,639.32
  6. Step 6: Final answer
    x = 124,226.95

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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.