Home / 190,639.75-285,959.64-50,398.39

Finding the Fourth Proportional to 190,639.75, 285,959.64 and 50,398.39

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Solution

The fourth proportional to 190,639.75, 285,959.64 and 50,398.39 is: 75,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,639.75 : 285,959.64 = 50,398.39 : x
  2. Step 2: Convert to fraction form
    190,639.75/285,959.64 = 50,398.39/x
  3. Step 3: Cross multiply
    190,639.75x = 285,959.64 × 50,398.39
  4. Step 4: Simplify right side
    190,639.75x = 14,411,905,460.98
  5. Step 5: Solve for x
    x = 14,411,905,460.98/190,639.75
  6. Step 6: Final answer
    x = 75,597.59

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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.