Home / 190,629.84-263,065.08-118,013.40

Finding the Fourth Proportional to 190,629.84, 263,065.08 and 118,013.40

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Solution

The fourth proportional to 190,629.84, 263,065.08 and 118,013.40 is: 162,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,629.84 : 263,065.08 = 118,013.40 : x
  2. Step 2: Convert to fraction form
    190,629.84/263,065.08 = 118,013.40/x
  3. Step 3: Cross multiply
    190,629.84x = 263,065.08 × 118,013.40
  4. Step 4: Simplify right side
    190,629.84x = 31,045,204,512.07
  5. Step 5: Solve for x
    x = 31,045,204,512.07/190,629.84
  6. Step 6: Final answer
    x = 162,855.95

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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.