Home / 205,893.54-308,438.04-141,840.36

Finding the Fourth Proportional to 205,893.54, 308,438.04 and 141,840.36

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Solution

The fourth proportional to 205,893.54, 308,438.04 and 141,840.36 is: 212,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,893.54 : 308,438.04 = 141,840.36 : x
  2. Step 2: Convert to fraction form
    205,893.54/308,438.04 = 141,840.36/x
  3. Step 3: Cross multiply
    205,893.54x = 308,438.04 × 141,840.36
  4. Step 4: Simplify right side
    205,893.54x = 43,748,962,631.29
  5. Step 5: Solve for x
    x = 43,748,962,631.29/205,893.54
  6. Step 6: Final answer
    x = 212,483.42

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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.