Home / 127,087.84-190,570-38,324.80

Finding the Fourth Proportional to 127,087.84, 190,570 and 38,324.80

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Solution

The fourth proportional to 127,087.84, 190,570 and 38,324.80 is: 57,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,087.84 : 190,570 = 38,324.80 : x
  2. Step 2: Convert to fraction form
    127,087.84/190,570 = 38,324.80/x
  3. Step 3: Cross multiply
    127,087.84x = 190,570 × 38,324.80
  4. Step 4: Simplify right side
    127,087.84x = 7,303,557,136.00
  5. Step 5: Solve for x
    x = 7,303,557,136.00/127,087.84
  6. Step 6: Final answer
    x = 57,468.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.