Home / 190,515.25-262,851.03-118,936.72

Finding the Fourth Proportional to 190,515.25, 262,851.03 and 118,936.72

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Solution

The fourth proportional to 190,515.25, 262,851.03 and 118,936.72 is: 164,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,515.25 : 262,851.03 = 118,936.72 : x
  2. Step 2: Convert to fraction form
    190,515.25/262,851.03 = 118,936.72/x
  3. Step 3: Cross multiply
    190,515.25x = 262,851.03 × 118,936.72
  4. Step 4: Simplify right side
    190,515.25x = 31,262,639,356.82
  5. Step 5: Solve for x
    x = 31,262,639,356.82/190,515.25
  6. Step 6: Final answer
    x = 164,095.21

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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.