Home / 127,271.80-190,907.70-106,535.80

Finding the Fourth Proportional to 127,271.80, 190,907.70 and 106,535.80

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Solution

The fourth proportional to 127,271.80, 190,907.70 and 106,535.80 is: 159,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271.80 : 190,907.70 = 106,535.80 : x
  2. Step 2: Convert to fraction form
    127,271.80/190,907.70 = 106,535.80/x
  3. Step 3: Cross multiply
    127,271.80x = 190,907.70 × 106,535.80
  4. Step 4: Simplify right side
    127,271.80x = 20,338,504,545.66
  5. Step 5: Solve for x
    x = 20,338,504,545.66/127,271.80
  6. Step 6: Final answer
    x = 159,803.70

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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.