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Finding the Fourth Proportional to 108,394.72, 149,596 and 63,069.12

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Solution

The fourth proportional to 108,394.72, 149,596 and 63,069.12 is: 87,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,394.72 : 149,596 = 63,069.12 : x
  2. Step 2: Convert to fraction form
    108,394.72/149,596 = 63,069.12/x
  3. Step 3: Cross multiply
    108,394.72x = 149,596 × 63,069.12
  4. Step 4: Simplify right side
    108,394.72x = 9,434,888,075.52
  5. Step 5: Solve for x
    x = 9,434,888,075.52/108,394.72
  6. Step 6: Final answer
    x = 87,041.95

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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.