Home / 190,182.25-262,459.71-105,299.31

Finding the Fourth Proportional to 190,182.25, 262,459.71 and 105,299.31

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Solution

The fourth proportional to 190,182.25, 262,459.71 and 105,299.31 is: 145,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,182.25 : 262,459.71 = 105,299.31 : x
  2. Step 2: Convert to fraction form
    190,182.25/262,459.71 = 105,299.31/x
  3. Step 3: Cross multiply
    190,182.25x = 262,459.71 × 105,299.31
  4. Step 4: Simplify right side
    190,182.25x = 27,636,826,365.80
  5. Step 5: Solve for x
    x = 27,636,826,365.80/190,182.25
  6. Step 6: Final answer
    x = 145,317.59

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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.