Home / 140,837.84-210,975.35-84,647.60

Finding the Fourth Proportional to 140,837.84, 210,975.35 and 84,647.60

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Solution

The fourth proportional to 140,837.84, 210,975.35 and 84,647.60 is: 126,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,837.84 : 210,975.35 = 84,647.60 : x
  2. Step 2: Convert to fraction form
    140,837.84/210,975.35 = 84,647.60/x
  3. Step 3: Cross multiply
    140,837.84x = 210,975.35 × 84,647.60
  4. Step 4: Simplify right side
    140,837.84x = 17,858,555,558.55
  5. Step 5: Solve for x
    x = 17,858,555,558.55/140,837.84
  6. Step 6: Final answer
    x = 126,802.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.