Home / 248,285.88-342,619.62-139,382.16

Finding the Fourth Proportional to 248,285.88, 342,619.62 and 139,382.16

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Solution

The fourth proportional to 248,285.88, 342,619.62 and 139,382.16 is: 192,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,285.88 : 342,619.62 = 139,382.16 : x
  2. Step 2: Convert to fraction form
    248,285.88/342,619.62 = 139,382.16/x
  3. Step 3: Cross multiply
    248,285.88x = 342,619.62 × 139,382.16
  4. Step 4: Simplify right side
    248,285.88x = 47,755,062,693.98
  5. Step 5: Solve for x
    x = 47,755,062,693.98/248,285.88
  6. Step 6: Final answer
    x = 192,339.02

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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.