Home / 319,477.56-479,036.48-106,131.24

Finding the Fourth Proportional to 319,477.56, 479,036.48 and 106,131.24

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Solution

The fourth proportional to 319,477.56, 479,036.48 and 106,131.24 is: 159,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,477.56 : 479,036.48 = 106,131.24 : x
  2. Step 2: Convert to fraction form
    319,477.56/479,036.48 = 106,131.24/x
  3. Step 3: Cross multiply
    319,477.56x = 479,036.48 × 106,131.24
  4. Step 4: Simplify right side
    319,477.56x = 50,840,735,627.64
  5. Step 5: Solve for x
    x = 50,840,735,627.64/319,477.56
  6. Step 6: Final answer
    x = 159,137.11

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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.