Home / 231,065.21-346,638.79-104,700.35

Finding the Fourth Proportional to 231,065.21, 346,638.79 and 104,700.35

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Solution

The fourth proportional to 231,065.21, 346,638.79 and 104,700.35 is: 157,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,065.21 : 346,638.79 = 104,700.35 : x
  2. Step 2: Convert to fraction form
    231,065.21/346,638.79 = 104,700.35/x
  3. Step 3: Cross multiply
    231,065.21x = 346,638.79 × 104,700.35
  4. Step 4: Simplify right side
    231,065.21x = 36,293,201,684.21
  5. Step 5: Solve for x
    x = 36,293,201,684.21/231,065.21
  6. Step 6: Final answer
    x = 157,069.09

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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.