Home / 248,083.76-342,364.60-142,120.24

Finding the Fourth Proportional to 248,083.76, 342,364.60 and 142,120.24

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Solution

The fourth proportional to 248,083.76, 342,364.60 and 142,120.24 is: 196,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,083.76 : 342,364.60 = 142,120.24 : x
  2. Step 2: Convert to fraction form
    248,083.76/342,364.60 = 142,120.24/x
  3. Step 3: Cross multiply
    248,083.76x = 342,364.60 × 142,120.24
  4. Step 4: Simplify right side
    248,083.76x = 48,656,939,119.50
  5. Step 5: Solve for x
    x = 48,656,939,119.50/248,083.76
  6. Step 6: Final answer
    x = 196,131.09

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1.5x scale

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.