Home / 217,339.22-299,942.52-121,852.10

Finding the Fourth Proportional to 217,339.22, 299,942.52 and 121,852.10

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Solution

The fourth proportional to 217,339.22, 299,942.52 and 121,852.10 is: 168,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,339.22 : 299,942.52 = 121,852.10 : x
  2. Step 2: Convert to fraction form
    217,339.22/299,942.52 = 121,852.10/x
  3. Step 3: Cross multiply
    217,339.22x = 299,942.52 × 121,852.10
  4. Step 4: Simplify right side
    217,339.22x = 36,548,625,941.29
  5. Step 5: Solve for x
    x = 36,548,625,941.29/217,339.22
  6. Step 6: Final answer
    x = 168,163.97

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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.