Home / 213,371.30-294,450.18-117,871.76

Finding the Fourth Proportional to 213,371.30, 294,450.18 and 117,871.76

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Solution

The fourth proportional to 213,371.30, 294,450.18 and 117,871.76 is: 162,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,371.30 : 294,450.18 = 117,871.76 : x
  2. Step 2: Convert to fraction form
    213,371.30/294,450.18 = 117,871.76/x
  3. Step 3: Cross multiply
    213,371.30x = 294,450.18 × 117,871.76
  4. Step 4: Simplify right side
    213,371.30x = 34,707,360,948.92
  5. Step 5: Solve for x
    x = 34,707,360,948.92/213,371.30
  6. Step 6: Final answer
    x = 162,661.81

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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.