Home / 154,736.32-213,601.44-104,503.36

Finding the Fourth Proportional to 154,736.32, 213,601.44 and 104,503.36

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Solution

The fourth proportional to 154,736.32, 213,601.44 and 104,503.36 is: 144,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,736.32 : 213,601.44 = 104,503.36 : x
  2. Step 2: Convert to fraction form
    154,736.32/213,601.44 = 104,503.36/x
  3. Step 3: Cross multiply
    154,736.32x = 213,601.44 × 104,503.36
  4. Step 4: Simplify right side
    154,736.32x = 22,322,068,180.84
  5. Step 5: Solve for x
    x = 22,322,068,180.84/154,736.32
  6. Step 6: Final answer
    x = 144,258.75

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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.