Home / 212,945.76-319,491.54-94,699.53

Finding the Fourth Proportional to 212,945.76, 319,491.54 and 94,699.53

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Solution

The fourth proportional to 212,945.76, 319,491.54 and 94,699.53 is: 142,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,945.76 : 319,491.54 = 94,699.53 : x
  2. Step 2: Convert to fraction form
    212,945.76/319,491.54 = 94,699.53/x
  3. Step 3: Cross multiply
    212,945.76x = 319,491.54 × 94,699.53
  4. Step 4: Simplify right side
    212,945.76x = 30,255,698,676.98
  5. Step 5: Solve for x
    x = 30,255,698,676.98/212,945.76
  6. Step 6: Final answer
    x = 142,081.71

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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.