Home / 213,818.88-320,703.66-56,059.86

Finding the Fourth Proportional to 213,818.88, 320,703.66 and 56,059.86

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Solution

The fourth proportional to 213,818.88, 320,703.66 and 56,059.86 is: 84,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,818.88 : 320,703.66 = 56,059.86 : x
  2. Step 2: Convert to fraction form
    213,818.88/320,703.66 = 56,059.86/x
  3. Step 3: Cross multiply
    213,818.88x = 320,703.66 × 56,059.86
  4. Step 4: Simplify right side
    213,818.88x = 17,978,602,281.09
  5. Step 5: Solve for x
    x = 17,978,602,281.09/213,818.88
  6. Step 6: Final answer
    x = 84,083.32

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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.