Home / 133,028.73-183,531.56-102,411.19

Finding the Fourth Proportional to 133,028.73, 183,531.56 and 102,411.19

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Solution

The fourth proportional to 133,028.73, 183,531.56 and 102,411.19 is: 141,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.73 : 183,531.56 = 102,411.19 : x
  2. Step 2: Convert to fraction form
    133,028.73/183,531.56 = 102,411.19/x
  3. Step 3: Cross multiply
    133,028.73x = 183,531.56 × 102,411.19
  4. Step 4: Simplify right side
    133,028.73x = 18,795,684,491.27
  5. Step 5: Solve for x
    x = 18,795,684,491.27/133,028.73
  6. Step 6: Final answer
    x = 141,290.42

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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.