Home / 144,428.81-199,308.04-79,896.37

Finding the Fourth Proportional to 144,428.81, 199,308.04 and 79,896.37

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Solution

The fourth proportional to 144,428.81, 199,308.04 and 79,896.37 is: 110,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,428.81 : 199,308.04 = 79,896.37 : x
  2. Step 2: Convert to fraction form
    144,428.81/199,308.04 = 79,896.37/x
  3. Step 3: Cross multiply
    144,428.81x = 199,308.04 × 79,896.37
  4. Step 4: Simplify right side
    144,428.81x = 15,923,988,907.81
  5. Step 5: Solve for x
    x = 15,923,988,907.81/144,428.81
  6. Step 6: Final answer
    x = 110,254.93

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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.