Home / 248,279.44-342,632.20-135,109.20

Finding the Fourth Proportional to 248,279.44, 342,632.20 and 135,109.20

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Solution

The fourth proportional to 248,279.44, 342,632.20 and 135,109.20 is: 186,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,279.44 : 342,632.20 = 135,109.20 : x
  2. Step 2: Convert to fraction form
    248,279.44/342,632.20 = 135,109.20/x
  3. Step 3: Cross multiply
    248,279.44x = 342,632.20 × 135,109.20
  4. Step 4: Simplify right side
    248,279.44x = 46,292,762,436.24
  5. Step 5: Solve for x
    x = 46,292,762,436.24/248,279.44
  6. Step 6: Final answer
    x = 186,454.27

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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.