Home / 248,385.24-342,778.14-140,971.32

Finding the Fourth Proportional to 248,385.24, 342,778.14 and 140,971.32

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Solution

The fourth proportional to 248,385.24, 342,778.14 and 140,971.32 is: 194,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,385.24 : 342,778.14 = 140,971.32 : x
  2. Step 2: Convert to fraction form
    248,385.24/342,778.14 = 140,971.32/x
  3. Step 3: Cross multiply
    248,385.24x = 342,778.14 × 140,971.32
  4. Step 4: Simplify right side
    248,385.24x = 48,321,886,862.94
  5. Step 5: Solve for x
    x = 48,321,886,862.94/248,385.24
  6. Step 6: Final answer
    x = 194,544.12

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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.