Home / 142,163.82-213,244.65-57,904.16

Finding the Fourth Proportional to 142,163.82, 213,244.65 and 57,904.16

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Solution

The fourth proportional to 142,163.82, 213,244.65 and 57,904.16 is: 86,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,163.82 : 213,244.65 = 57,904.16 : x
  2. Step 2: Convert to fraction form
    142,163.82/213,244.65 = 57,904.16/x
  3. Step 3: Cross multiply
    142,163.82x = 213,244.65 × 57,904.16
  4. Step 4: Simplify right side
    142,163.82x = 12,347,751,266.52
  5. Step 5: Solve for x
    x = 12,347,751,266.52/142,163.82
  6. Step 6: Final answer
    x = 86,855.79

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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.