Home / 248,587.74-343,039.20-141,143.64

Finding the Fourth Proportional to 248,587.74, 343,039.20 and 141,143.64

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Solution

The fourth proportional to 248,587.74, 343,039.20 and 141,143.64 is: 194,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,587.74 : 343,039.20 = 141,143.64 : x
  2. Step 2: Convert to fraction form
    248,587.74/343,039.20 = 141,143.64/x
  3. Step 3: Cross multiply
    248,587.74x = 343,039.20 × 141,143.64
  4. Step 4: Simplify right side
    248,587.74x = 48,417,801,350.69
  5. Step 5: Solve for x
    x = 48,417,801,350.69/248,587.74
  6. Step 6: Final answer
    x = 194,771.48

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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.