Home / 142,147.07-213,253.41-75,651.33

Finding the Fourth Proportional to 142,147.07, 213,253.41 and 75,651.33

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Solution

The fourth proportional to 142,147.07, 213,253.41 and 75,651.33 is: 113,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,147.07 : 213,253.41 = 75,651.33 : x
  2. Step 2: Convert to fraction form
    142,147.07/213,253.41 = 75,651.33/x
  3. Step 3: Cross multiply
    142,147.07x = 213,253.41 × 75,651.33
  4. Step 4: Simplify right side
    142,147.07x = 16,132,904,093.54
  5. Step 5: Solve for x
    x = 16,132,904,093.54/142,147.07
  6. Step 6: Final answer
    x = 113,494.46

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1.5x scale

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.