Home / 190,323.39-262,657.28-104,282.54

Finding the Fourth Proportional to 190,323.39, 262,657.28 and 104,282.54

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Solution

The fourth proportional to 190,323.39, 262,657.28 and 104,282.54 is: 143,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,323.39 : 262,657.28 = 104,282.54 : x
  2. Step 2: Convert to fraction form
    190,323.39/262,657.28 = 104,282.54/x
  3. Step 3: Cross multiply
    190,323.39x = 262,657.28 × 104,282.54
  4. Step 4: Simplify right side
    190,323.39x = 27,390,567,255.31
  5. Step 5: Solve for x
    x = 27,390,567,255.31/190,323.39
  6. Step 6: Final answer
    x = 143,915.93

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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.