Home / 74,787.03-102,996.14-73,154.07

Finding the Fourth Proportional to 74,787.03, 102,996.14 and 73,154.07

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Solution

The fourth proportional to 74,787.03, 102,996.14 and 73,154.07 is: 100,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,787.03 : 102,996.14 = 73,154.07 : x
  2. Step 2: Convert to fraction form
    74,787.03/102,996.14 = 73,154.07/x
  3. Step 3: Cross multiply
    74,787.03x = 102,996.14 × 73,154.07
  4. Step 4: Simplify right side
    74,787.03x = 7,534,586,320.31
  5. Step 5: Solve for x
    x = 7,534,586,320.31/74,787.03
  6. Step 6: Final answer
    x = 100,747.24

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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.