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Finding the Fourth Proportional to 132,998, 183,564.56 and 81,323.94

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Solution

The fourth proportional to 132,998, 183,564.56 and 81,323.94 is: 112,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,998 : 183,564.56 = 81,323.94 : x
  2. Step 2: Convert to fraction form
    132,998/183,564.56 = 81,323.94/x
  3. Step 3: Cross multiply
    132,998x = 183,564.56 × 81,323.94
  4. Step 4: Simplify right side
    132,998x = 14,928,193,263.57
  5. Step 5: Solve for x
    x = 14,928,193,263.57/132,998
  6. Step 6: Final answer
    x = 112,243.74

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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.