Home / 319,923.54-479,516.24-120,116.48

Finding the Fourth Proportional to 319,923.54, 479,516.24 and 120,116.48

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Solution

The fourth proportional to 319,923.54, 479,516.24 and 120,116.48 is: 180,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,923.54 : 479,516.24 = 120,116.48 : x
  2. Step 2: Convert to fraction form
    319,923.54/479,516.24 = 120,116.48/x
  3. Step 3: Cross multiply
    319,923.54x = 479,516.24 × 120,116.48
  4. Step 4: Simplify right side
    319,923.54x = 57,597,802,851.64
  5. Step 5: Solve for x
    x = 57,597,802,851.64/319,923.54
  6. Step 6: Final answer
    x = 180,036.15

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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.