Home / 213,785.15-320,696.09-56,013.62

Finding the Fourth Proportional to 213,785.15, 320,696.09 and 56,013.62

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Solution

The fourth proportional to 213,785.15, 320,696.09 and 56,013.62 is: 84,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,785.15 : 320,696.09 = 56,013.62 : x
  2. Step 2: Convert to fraction form
    213,785.15/320,696.09 = 56,013.62/x
  3. Step 3: Cross multiply
    213,785.15x = 320,696.09 × 56,013.62
  4. Step 4: Simplify right side
    213,785.15x = 17,963,348,640.68
  5. Step 5: Solve for x
    x = 17,963,348,640.68/213,785.15
  6. Step 6: Final answer
    x = 84,025.24

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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.