Home / 109,197.49-163,797.15-30,317.87

Finding the Fourth Proportional to 109,197.49, 163,797.15 and 30,317.87

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Solution

The fourth proportional to 109,197.49, 163,797.15 and 30,317.87 is: 45,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,197.49 : 163,797.15 = 30,317.87 : x
  2. Step 2: Convert to fraction form
    109,197.49/163,797.15 = 30,317.87/x
  3. Step 3: Cross multiply
    109,197.49x = 163,797.15 × 30,317.87
  4. Step 4: Simplify right side
    109,197.49x = 4,965,979,881.08
  5. Step 5: Solve for x
    x = 4,965,979,881.08/109,197.49
  6. Step 6: Final answer
    x = 45,477.05

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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.