Home / 140,836.84-210,163.31-125,881

Finding the Fourth Proportional to 140,836.84, 210,163.31 and 125,881

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Solution

The fourth proportional to 140,836.84, 210,163.31 and 125,881 is: 187,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,836.84 : 210,163.31 = 125,881 : x
  2. Step 2: Convert to fraction form
    140,836.84/210,163.31 = 125,881/x
  3. Step 3: Cross multiply
    140,836.84x = 210,163.31 × 125,881
  4. Step 4: Simplify right side
    140,836.84x = 26,455,567,626.11
  5. Step 5: Solve for x
    x = 26,455,567,626.11/140,836.84
  6. Step 6: Final answer
    x = 187,845.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.