Home / 213,933.52-320,950.91-69,838.58

Finding the Fourth Proportional to 213,933.52, 320,950.91 and 69,838.58

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Solution

The fourth proportional to 213,933.52, 320,950.91 and 69,838.58 is: 104,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,933.52 : 320,950.91 = 69,838.58 : x
  2. Step 2: Convert to fraction form
    213,933.52/320,950.91 = 69,838.58/x
  3. Step 3: Cross multiply
    213,933.52x = 320,950.91 × 69,838.58
  4. Step 4: Simplify right side
    213,933.52x = 22,414,755,485.57
  5. Step 5: Solve for x
    x = 22,414,755,485.57/213,933.52
  6. Step 6: Final answer
    x = 104,774.40

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1.5x scale

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.