Home / 140,406.08-210,556.80-40,532.48

Finding the Fourth Proportional to 140,406.08, 210,556.80 and 40,532.48

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Solution

The fourth proportional to 140,406.08, 210,556.80 and 40,532.48 is: 60,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,406.08 : 210,556.80 = 40,532.48 : x
  2. Step 2: Convert to fraction form
    140,406.08/210,556.80 = 40,532.48/x
  3. Step 3: Cross multiply
    140,406.08x = 210,556.80 × 40,532.48
  4. Step 4: Simplify right side
    140,406.08x = 8,534,389,284.86
  5. Step 5: Solve for x
    x = 8,534,389,284.86/140,406.08
  6. Step 6: Final answer
    x = 60,783.62

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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.