Home / 132,815.70-183,292.16-74,690.73

Finding the Fourth Proportional to 132,815.70, 183,292.16 and 74,690.73

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Solution

The fourth proportional to 132,815.70, 183,292.16 and 74,690.73 is: 103,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815.70 : 183,292.16 = 74,690.73 : x
  2. Step 2: Convert to fraction form
    132,815.70/183,292.16 = 74,690.73/x
  3. Step 3: Cross multiply
    132,815.70x = 183,292.16 × 74,690.73
  4. Step 4: Simplify right side
    132,815.70x = 13,690,224,860.22
  5. Step 5: Solve for x
    x = 13,690,224,860.22/132,815.70
  6. Step 6: Final answer
    x = 103,076.86

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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.