Home / 108,964.99-163,456.89-30,079.23

Finding the Fourth Proportional to 108,964.99, 163,456.89 and 30,079.23

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Solution

The fourth proportional to 108,964.99, 163,456.89 and 30,079.23 is: 45,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,964.99 : 163,456.89 = 30,079.23 : x
  2. Step 2: Convert to fraction form
    108,964.99/163,456.89 = 30,079.23/x
  3. Step 3: Cross multiply
    108,964.99x = 163,456.89 × 30,079.23
  4. Step 4: Simplify right side
    108,964.99x = 4,916,657,389.39
  5. Step 5: Solve for x
    x = 4,916,657,389.39/108,964.99
  6. Step 6: Final answer
    x = 45,121.44

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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.