Home / 142,028.41-213,042.36-82,822.56

Finding the Fourth Proportional to 142,028.41, 213,042.36 and 82,822.56

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Solution

The fourth proportional to 142,028.41, 213,042.36 and 82,822.56 is: 124,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,028.41 : 213,042.36 = 82,822.56 : x
  2. Step 2: Convert to fraction form
    142,028.41/213,042.36 = 82,822.56/x
  3. Step 3: Cross multiply
    142,028.41x = 213,042.36 × 82,822.56
  4. Step 4: Simplify right side
    142,028.41x = 17,644,713,643.64
  5. Step 5: Solve for x
    x = 17,644,713,643.64/142,028.41
  6. Step 6: Final answer
    x = 124,233.69

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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.