Home / 248,921.88-343,503.04-135,742.20

Finding the Fourth Proportional to 248,921.88, 343,503.04 and 135,742.20

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Solution

The fourth proportional to 248,921.88, 343,503.04 and 135,742.20 is: 187,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,921.88 : 343,503.04 = 135,742.20 : x
  2. Step 2: Convert to fraction form
    248,921.88/343,503.04 = 135,742.20/x
  3. Step 3: Cross multiply
    248,921.88x = 343,503.04 × 135,742.20
  4. Step 4: Simplify right side
    248,921.88x = 46,627,858,356.29
  5. Step 5: Solve for x
    x = 46,627,858,356.29/248,921.88
  6. Step 6: Final answer
    x = 187,319.24

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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.