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Finding the Fourth Proportional to 132,054.30, 182,237.42 and 81,041.51

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Solution

The fourth proportional to 132,054.30, 182,237.42 and 81,041.51 is: 111,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,054.30 : 182,237.42 = 81,041.51 : x
  2. Step 2: Convert to fraction form
    132,054.30/182,237.42 = 81,041.51/x
  3. Step 3: Cross multiply
    132,054.30x = 182,237.42 × 81,041.51
  4. Step 4: Simplify right side
    132,054.30x = 14,768,794,378.91
  5. Step 5: Solve for x
    x = 14,768,794,378.91/132,054.30
  6. Step 6: Final answer
    x = 111,838.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.