Home / 109,216.23-163,824.41-30,330.47

Finding the Fourth Proportional to 109,216.23, 163,824.41 and 30,330.47

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Solution

The fourth proportional to 109,216.23, 163,824.41 and 30,330.47 is: 45,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,216.23 : 163,824.41 = 30,330.47 : x
  2. Step 2: Convert to fraction form
    109,216.23/163,824.41 = 30,330.47/x
  3. Step 3: Cross multiply
    109,216.23x = 163,824.41 × 30,330.47
  4. Step 4: Simplify right side
    109,216.23x = 4,968,870,382.00
  5. Step 5: Solve for x
    x = 4,968,870,382.00/109,216.23
  6. Step 6: Final answer
    x = 45,495.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.