Home / 213,313.03-319,988.68-55,542.85

Finding the Fourth Proportional to 213,313.03, 319,988.68 and 55,542.85

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Solution

The fourth proportional to 213,313.03, 319,988.68 and 55,542.85 is: 83,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,313.03 : 319,988.68 = 55,542.85 : x
  2. Step 2: Convert to fraction form
    213,313.03/319,988.68 = 55,542.85/x
  3. Step 3: Cross multiply
    213,313.03x = 319,988.68 × 55,542.85
  4. Step 4: Simplify right side
    213,313.03x = 17,773,082,316.11
  5. Step 5: Solve for x
    x = 17,773,082,316.11/213,313.03
  6. Step 6: Final answer
    x = 83,319.25

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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.