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Finding the Fourth Proportional to 213,791.81, 295,063.83 and 123,130.13

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Solution

The fourth proportional to 213,791.81, 295,063.83 and 123,130.13 is: 169,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,791.81 : 295,063.83 = 123,130.13 : x
  2. Step 2: Convert to fraction form
    213,791.81/295,063.83 = 123,130.13/x
  3. Step 3: Cross multiply
    213,791.81x = 295,063.83 × 123,130.13
  4. Step 4: Simplify right side
    213,791.81x = 36,331,246,270.88
  5. Step 5: Solve for x
    x = 36,331,246,270.88/213,791.81
  6. Step 6: Final answer
    x = 169,937.51

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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.