Home / 79,351.51-119,034.95-23,190.36

Finding the Fourth Proportional to 79,351.51, 119,034.95 and 23,190.36

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Solution

The fourth proportional to 79,351.51, 119,034.95 and 23,190.36 is: 34,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,351.51 : 119,034.95 = 23,190.36 : x
  2. Step 2: Convert to fraction form
    79,351.51/119,034.95 = 23,190.36/x
  3. Step 3: Cross multiply
    79,351.51x = 119,034.95 × 23,190.36
  4. Step 4: Simplify right side
    79,351.51x = 2,760,463,343.08
  5. Step 5: Solve for x
    x = 2,760,463,343.08/79,351.51
  6. Step 6: Final answer
    x = 34,787.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.