Home / 217,835.21-326,772.97-84,725.57

Finding the Fourth Proportional to 217,835.21, 326,772.97 and 84,725.57

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Solution

The fourth proportional to 217,835.21, 326,772.97 and 84,725.57 is: 127,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,835.21 : 326,772.97 = 84,725.57 : x
  2. Step 2: Convert to fraction form
    217,835.21/326,772.97 = 84,725.57/x
  3. Step 3: Cross multiply
    217,835.21x = 326,772.97 × 84,725.57
  4. Step 4: Simplify right side
    217,835.21x = 27,686,024,298.16
  5. Step 5: Solve for x
    x = 27,686,024,298.16/217,835.21
  6. Step 6: Final answer
    x = 127,096.19

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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.