Home / 230,973.21-346,615.64-81,214.34

Finding the Fourth Proportional to 230,973.21, 346,615.64 and 81,214.34

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Solution

The fourth proportional to 230,973.21, 346,615.64 and 81,214.34 is: 121,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,973.21 : 346,615.64 = 81,214.34 : x
  2. Step 2: Convert to fraction form
    230,973.21/346,615.64 = 81,214.34/x
  3. Step 3: Cross multiply
    230,973.21x = 346,615.64 × 81,214.34
  4. Step 4: Simplify right side
    230,973.21x = 28,150,158,297.13
  5. Step 5: Solve for x
    x = 28,150,158,297.13/230,973.21
  6. Step 6: Final answer
    x = 121,876.29

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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.