Home / 140,513.28-210,738.87-40,651.62

Finding the Fourth Proportional to 140,513.28, 210,738.87 and 40,651.62

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Solution

The fourth proportional to 140,513.28, 210,738.87 and 40,651.62 is: 60,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,513.28 : 210,738.87 = 40,651.62 : x
  2. Step 2: Convert to fraction form
    140,513.28/210,738.87 = 40,651.62/x
  3. Step 3: Cross multiply
    140,513.28x = 210,738.87 × 40,651.62
  4. Step 4: Simplify right side
    140,513.28x = 8,566,876,462.47
  5. Step 5: Solve for x
    x = 8,566,876,462.47/140,513.28
  6. Step 6: Final answer
    x = 60,968.45

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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.