Home / 213,083.72-294,166.07-155,658.56

Finding the Fourth Proportional to 213,083.72, 294,166.07 and 155,658.56

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Solution

The fourth proportional to 213,083.72, 294,166.07 and 155,658.56 is: 214,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,083.72 : 294,166.07 = 155,658.56 : x
  2. Step 2: Convert to fraction form
    213,083.72/294,166.07 = 155,658.56/x
  3. Step 3: Cross multiply
    213,083.72x = 294,166.07 × 155,658.56
  4. Step 4: Simplify right side
    213,083.72x = 45,789,467,981.62
  5. Step 5: Solve for x
    x = 45,789,467,981.62/213,083.72
  6. Step 6: Final answer
    x = 214,889.57

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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.