Home / 143,271.56-214,933.28-47,213.90

Finding the Fourth Proportional to 143,271.56, 214,933.28 and 47,213.90

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Solution

The fourth proportional to 143,271.56, 214,933.28 and 47,213.90 is: 70,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,271.56 : 214,933.28 = 47,213.90 : x
  2. Step 2: Convert to fraction form
    143,271.56/214,933.28 = 47,213.90/x
  3. Step 3: Cross multiply
    143,271.56x = 214,933.28 × 47,213.90
  4. Step 4: Simplify right side
    143,271.56x = 10,147,837,077.86
  5. Step 5: Solve for x
    x = 10,147,837,077.86/143,271.56
  6. Step 6: Final answer
    x = 70,829.39

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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.