Home / 213,961.84-320,762.13-134,901.79

Finding the Fourth Proportional to 213,961.84, 320,762.13 and 134,901.79

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Solution

The fourth proportional to 213,961.84, 320,762.13 and 134,901.79 is: 202,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,961.84 : 320,762.13 = 134,901.79 : x
  2. Step 2: Convert to fraction form
    213,961.84/320,762.13 = 134,901.79/x
  3. Step 3: Cross multiply
    213,961.84x = 320,762.13 × 134,901.79
  4. Step 4: Simplify right side
    213,961.84x = 43,271,384,193.43
  5. Step 5: Solve for x
    x = 43,271,384,193.43/213,961.84
  6. Step 6: Final answer
    x = 202,238.80

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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.