Home / 213,867.34-320,784.30-56,091.69

Finding the Fourth Proportional to 213,867.34, 320,784.30 and 56,091.69

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Solution

The fourth proportional to 213,867.34, 320,784.30 and 56,091.69 is: 84,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,867.34 : 320,784.30 = 56,091.69 : x
  2. Step 2: Convert to fraction form
    213,867.34/320,784.30 = 56,091.69/x
  3. Step 3: Cross multiply
    213,867.34x = 320,784.30 × 56,091.69
  4. Step 4: Simplify right side
    213,867.34x = 17,993,333,512.47
  5. Step 5: Solve for x
    x = 17,993,333,512.47/213,867.34
  6. Step 6: Final answer
    x = 84,133.15

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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.