Home / 190,181.25-262,458.33-105,298.31

Finding the Fourth Proportional to 190,181.25, 262,458.33 and 105,298.31

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Solution

The fourth proportional to 190,181.25, 262,458.33 and 105,298.31 is: 145,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,181.25 : 262,458.33 = 105,298.31 : x
  2. Step 2: Convert to fraction form
    190,181.25/262,458.33 = 105,298.31/x
  3. Step 3: Cross multiply
    190,181.25x = 262,458.33 × 105,298.31
  4. Step 4: Simplify right side
    190,181.25x = 27,636,418,855.70
  5. Step 5: Solve for x
    x = 27,636,418,855.70/190,181.25
  6. Step 6: Final answer
    x = 145,316.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.