Home / 192,677.40-289,027.50-74,349.36

Finding the Fourth Proportional to 192,677.40, 289,027.50 and 74,349.36

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Solution

The fourth proportional to 192,677.40, 289,027.50 and 74,349.36 is: 111,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,677.40 : 289,027.50 = 74,349.36 : x
  2. Step 2: Convert to fraction form
    192,677.40/289,027.50 = 74,349.36/x
  3. Step 3: Cross multiply
    192,677.40x = 289,027.50 × 74,349.36
  4. Step 4: Simplify right side
    192,677.40x = 21,489,009,647.40
  5. Step 5: Solve for x
    x = 21,489,009,647.40/192,677.40
  6. Step 6: Final answer
    x = 111,528.44

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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.