Home / 213,213.52-294,232.67-117,720.89

Finding the Fourth Proportional to 213,213.52, 294,232.67 and 117,720.89

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Solution

The fourth proportional to 213,213.52, 294,232.67 and 117,720.89 is: 162,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,213.52 : 294,232.67 = 117,720.89 : x
  2. Step 2: Convert to fraction form
    213,213.52/294,232.67 = 117,720.89/x
  3. Step 3: Cross multiply
    213,213.52x = 294,232.67 × 117,720.89
  4. Step 4: Simplify right side
    213,213.52x = 34,637,331,190.87
  5. Step 5: Solve for x
    x = 34,637,331,190.87/213,213.52
  6. Step 6: Final answer
    x = 162,453.73

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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.