Home / 108,964.22-150,384.66-61,217.62

Finding the Fourth Proportional to 108,964.22, 150,384.66 and 61,217.62

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Solution

The fourth proportional to 108,964.22, 150,384.66 and 61,217.62 is: 84,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,964.22 : 150,384.66 = 61,217.62 : x
  2. Step 2: Convert to fraction form
    108,964.22/150,384.66 = 61,217.62/x
  3. Step 3: Cross multiply
    108,964.22x = 150,384.66 × 61,217.62
  4. Step 4: Simplify right side
    108,964.22x = 9,206,190,969.71
  5. Step 5: Solve for x
    x = 9,206,190,969.71/108,964.22
  6. Step 6: Final answer
    x = 84,488.20

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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.