Home / 108,541.80-149,806.23-63,246.64

Finding the Fourth Proportional to 108,541.80, 149,806.23 and 63,246.64

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Solution

The fourth proportional to 108,541.80, 149,806.23 and 63,246.64 is: 87,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.80 : 149,806.23 = 63,246.64 : x
  2. Step 2: Convert to fraction form
    108,541.80/149,806.23 = 63,246.64/x
  3. Step 3: Cross multiply
    108,541.80x = 149,806.23 × 63,246.64
  4. Step 4: Simplify right side
    108,541.80x = 9,474,740,698.57
  5. Step 5: Solve for x
    x = 9,474,740,698.57/108,541.80
  6. Step 6: Final answer
    x = 87,291.17

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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.