Home / 142,377.88-213,954.72-75,865.48

Finding the Fourth Proportional to 142,377.88, 213,954.72 and 75,865.48

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Solution

The fourth proportional to 142,377.88, 213,954.72 and 75,865.48 is: 114,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,377.88 : 213,954.72 = 75,865.48 : x
  2. Step 2: Convert to fraction form
    142,377.88/213,954.72 = 75,865.48/x
  3. Step 3: Cross multiply
    142,377.88x = 213,954.72 × 75,865.48
  4. Step 4: Simplify right side
    142,377.88x = 16,231,777,531.07
  5. Step 5: Solve for x
    x = 16,231,777,531.07/142,377.88
  6. Step 6: Final answer
    x = 114,004.91

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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.