Home / 105,820.26-146,034.80-58,075.30

Finding the Fourth Proportional to 105,820.26, 146,034.80 and 58,075.30

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Solution

The fourth proportional to 105,820.26, 146,034.80 and 58,075.30 is: 80,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,820.26 : 146,034.80 = 58,075.30 : x
  2. Step 2: Convert to fraction form
    105,820.26/146,034.80 = 58,075.30/x
  3. Step 3: Cross multiply
    105,820.26x = 146,034.80 × 58,075.30
  4. Step 4: Simplify right side
    105,820.26x = 8,481,014,820.44
  5. Step 5: Solve for x
    x = 8,481,014,820.44/105,820.26
  6. Step 6: Final answer
    x = 80,145.47

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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.