Home / 134,136.09-185,096.97-77,551.11

Finding the Fourth Proportional to 134,136.09, 185,096.97 and 77,551.11

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Solution

The fourth proportional to 134,136.09, 185,096.97 and 77,551.11 is: 107,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136.09 : 185,096.97 = 77,551.11 : x
  2. Step 2: Convert to fraction form
    134,136.09/185,096.97 = 77,551.11/x
  3. Step 3: Cross multiply
    134,136.09x = 185,096.97 × 77,551.11
  4. Step 4: Simplify right side
    134,136.09x = 14,354,475,481.14
  5. Step 5: Solve for x
    x = 14,354,475,481.14/134,136.09
  6. Step 6: Final answer
    x = 107,014.27

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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.