Home / 190,029.53-262,240.77-103,988.53

Finding the Fourth Proportional to 190,029.53, 262,240.77 and 103,988.53

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Solution

The fourth proportional to 190,029.53, 262,240.77 and 103,988.53 is: 143,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,029.53 : 262,240.77 = 103,988.53 : x
  2. Step 2: Convert to fraction form
    190,029.53/262,240.77 = 103,988.53/x
  3. Step 3: Cross multiply
    190,029.53x = 262,240.77 × 103,988.53
  4. Step 4: Simplify right side
    190,029.53x = 27,270,030,737.18
  5. Step 5: Solve for x
    x = 27,270,030,737.18/190,029.53
  6. Step 6: Final answer
    x = 143,504.18

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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.