Home / 112,213.64-154,843.62-66,266.12

Finding the Fourth Proportional to 112,213.64, 154,843.62 and 66,266.12

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Solution

The fourth proportional to 112,213.64, 154,843.62 and 66,266.12 is: 91,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,213.64 : 154,843.62 = 66,266.12 : x
  2. Step 2: Convert to fraction form
    112,213.64/154,843.62 = 66,266.12/x
  3. Step 3: Cross multiply
    112,213.64x = 154,843.62 × 66,266.12
  4. Step 4: Simplify right side
    112,213.64x = 10,260,885,904.15
  5. Step 5: Solve for x
    x = 10,260,885,904.15/112,213.64
  6. Step 6: Final answer
    x = 91,440.63

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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.