Home / 140,409.86-210,583.67-40,548.33

Finding the Fourth Proportional to 140,409.86, 210,583.67 and 40,548.33

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Solution

The fourth proportional to 140,409.86, 210,583.67 and 40,548.33 is: 60,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,409.86 : 210,583.67 = 40,548.33 : x
  2. Step 2: Convert to fraction form
    140,409.86/210,583.67 = 40,548.33/x
  3. Step 3: Cross multiply
    140,409.86x = 210,583.67 × 40,548.33
  4. Step 4: Simplify right side
    140,409.86x = 8,538,815,941.03
  5. Step 5: Solve for x
    x = 8,538,815,941.03/140,409.86
  6. Step 6: Final answer
    x = 60,813.51

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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.