Home / 213,785.40-320,696.46-56,013.87

Finding the Fourth Proportional to 213,785.40, 320,696.46 and 56,013.87

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Solution

The fourth proportional to 213,785.40, 320,696.46 and 56,013.87 is: 84,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,785.40 : 320,696.46 = 56,013.87 : x
  2. Step 2: Convert to fraction form
    213,785.40/320,696.46 = 56,013.87/x
  3. Step 3: Cross multiply
    213,785.40x = 320,696.46 × 56,013.87
  4. Step 4: Simplify right side
    213,785.40x = 17,963,449,819.90
  5. Step 5: Solve for x
    x = 17,963,449,819.90/213,785.40
  6. Step 6: Final answer
    x = 84,025.62

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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.