Home / 142,255.14-213,414.46-53,509.38

Finding the Fourth Proportional to 142,255.14, 213,414.46 and 53,509.38

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Solution

The fourth proportional to 142,255.14, 213,414.46 and 53,509.38 is: 80,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,255.14 : 213,414.46 = 53,509.38 : x
  2. Step 2: Convert to fraction form
    142,255.14/213,414.46 = 53,509.38/x
  3. Step 3: Cross multiply
    142,255.14x = 213,414.46 × 53,509.38
  4. Step 4: Simplify right side
    142,255.14x = 11,419,675,437.63
  5. Step 5: Solve for x
    x = 11,419,675,437.63/142,255.14
  6. Step 6: Final answer
    x = 80,276.01

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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.