Home / 146,247.98-201,823.56-85,819.64

Finding the Fourth Proportional to 146,247.98, 201,823.56 and 85,819.64

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Solution

The fourth proportional to 146,247.98, 201,823.56 and 85,819.64 is: 118,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,247.98 : 201,823.56 = 85,819.64 : x
  2. Step 2: Convert to fraction form
    146,247.98/201,823.56 = 85,819.64/x
  3. Step 3: Cross multiply
    146,247.98x = 201,823.56 × 85,819.64
  4. Step 4: Simplify right side
    146,247.98x = 17,320,425,262.72
  5. Step 5: Solve for x
    x = 17,320,425,262.72/146,247.98
  6. Step 6: Final answer
    x = 118,431.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.