Home / 248,736.87-343,258.03-141,312.79

Finding the Fourth Proportional to 248,736.87, 343,258.03 and 141,312.79

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Solution

The fourth proportional to 248,736.87, 343,258.03 and 141,312.79 is: 195,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,736.87 : 343,258.03 = 141,312.79 : x
  2. Step 2: Convert to fraction form
    248,736.87/343,258.03 = 141,312.79/x
  3. Step 3: Cross multiply
    248,736.87x = 343,258.03 × 141,312.79
  4. Step 4: Simplify right side
    248,736.87x = 48,506,749,909.20
  5. Step 5: Solve for x
    x = 48,506,749,909.20/248,736.87
  6. Step 6: Final answer
    x = 195,012.31

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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.