Home / 160,629.82-221,681.91-89,016.64

Finding the Fourth Proportional to 160,629.82, 221,681.91 and 89,016.64

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Solution

The fourth proportional to 160,629.82, 221,681.91 and 89,016.64 is: 122,850.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,629.82 : 221,681.91 = 89,016.64 : x
  2. Step 2: Convert to fraction form
    160,629.82/221,681.91 = 89,016.64/x
  3. Step 3: Cross multiply
    160,629.82x = 221,681.91 × 89,016.64
  4. Step 4: Simplify right side
    160,629.82x = 19,733,378,776.98
  5. Step 5: Solve for x
    x = 19,733,378,776.98/160,629.82
  6. Step 6: Final answer
    x = 122,850.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.