Home / 143,263.22-214,821-64,309.77

Finding the Fourth Proportional to 143,263.22, 214,821 and 64,309.77

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Solution

The fourth proportional to 143,263.22, 214,821 and 64,309.77 is: 96,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,263.22 : 214,821 = 64,309.77 : x
  2. Step 2: Convert to fraction form
    143,263.22/214,821 = 64,309.77/x
  3. Step 3: Cross multiply
    143,263.22x = 214,821 × 64,309.77
  4. Step 4: Simplify right side
    143,263.22x = 13,815,089,101.17
  5. Step 5: Solve for x
    x = 13,815,089,101.17/143,263.22
  6. Step 6: Final answer
    x = 96,431.52

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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.