Home / 213,371.05-294,449.83-117,871.51

Finding the Fourth Proportional to 213,371.05, 294,449.83 and 117,871.51

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Solution

The fourth proportional to 213,371.05, 294,449.83 and 117,871.51 is: 162,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,371.05 : 294,449.83 = 117,871.51 : x
  2. Step 2: Convert to fraction form
    213,371.05/294,449.83 = 117,871.51/x
  3. Step 3: Cross multiply
    213,371.05x = 294,449.83 × 117,871.51
  4. Step 4: Simplify right side
    213,371.05x = 34,707,246,081.34
  5. Step 5: Solve for x
    x = 34,707,246,081.34/213,371.05
  6. Step 6: Final answer
    x = 162,661.46

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1.5x scale

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.