Home / 140,988.36-194,375.52-112,012.77

Finding the Fourth Proportional to 140,988.36, 194,375.52 and 112,012.77

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Solution

The fourth proportional to 140,988.36, 194,375.52 and 112,012.77 is: 154,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,988.36 : 194,375.52 = 112,012.77 : x
  2. Step 2: Convert to fraction form
    140,988.36/194,375.52 = 112,012.77/x
  3. Step 3: Cross multiply
    140,988.36x = 194,375.52 × 112,012.77
  4. Step 4: Simplify right side
    140,988.36x = 21,772,540,415.39
  5. Step 5: Solve for x
    x = 21,772,540,415.39/140,988.36
  6. Step 6: Final answer
    x = 154,427.93

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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.