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Finding the Fourth Proportional to 147,675.30, 203,791.86 and 80,607.30

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Solution

The fourth proportional to 147,675.30, 203,791.86 and 80,607.30 is: 111,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,675.30 : 203,791.86 = 80,607.30 : x
  2. Step 2: Convert to fraction form
    147,675.30/203,791.86 = 80,607.30/x
  3. Step 3: Cross multiply
    147,675.30x = 203,791.86 × 80,607.30
  4. Step 4: Simplify right side
    147,675.30x = 16,427,111,596.58
  5. Step 5: Solve for x
    x = 16,427,111,596.58/147,675.30
  6. Step 6: Final answer
    x = 111,238.04

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1.5x scale

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.