Home / 112,262.88-154,942.74-66,943.86

Finding the Fourth Proportional to 112,262.88, 154,942.74 and 66,943.86

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Solution

The fourth proportional to 112,262.88, 154,942.74 and 66,943.86 is: 92,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,262.88 : 154,942.74 = 66,943.86 : x
  2. Step 2: Convert to fraction form
    112,262.88/154,942.74 = 66,943.86/x
  3. Step 3: Cross multiply
    112,262.88x = 154,942.74 × 66,943.86
  4. Step 4: Simplify right side
    112,262.88x = 10,372,465,094.58
  5. Step 5: Solve for x
    x = 10,372,465,094.58/112,262.88
  6. Step 6: Final answer
    x = 92,394.43

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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.