Home / 213,838.32-320,758.82-56,065.36

Finding the Fourth Proportional to 213,838.32, 320,758.82 and 56,065.36

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Solution

The fourth proportional to 213,838.32, 320,758.82 and 56,065.36 is: 84,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,838.32 : 320,758.82 = 56,065.36 : x
  2. Step 2: Convert to fraction form
    213,838.32/320,758.82 = 56,065.36/x
  3. Step 3: Cross multiply
    213,838.32x = 320,758.82 × 56,065.36
  4. Step 4: Simplify right side
    213,838.32x = 17,983,458,716.48
  5. Step 5: Solve for x
    x = 17,983,458,716.48/213,838.32
  6. Step 6: Final answer
    x = 84,098.39

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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.