Home / 142,975.56-214,323.88-68,075.58

Finding the Fourth Proportional to 142,975.56, 214,323.88 and 68,075.58

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Solution

The fourth proportional to 142,975.56, 214,323.88 and 68,075.58 is: 102,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,975.56 : 214,323.88 = 68,075.58 : x
  2. Step 2: Convert to fraction form
    142,975.56/214,323.88 = 68,075.58/x
  3. Step 3: Cross multiply
    142,975.56x = 214,323.88 × 68,075.58
  4. Step 4: Simplify right side
    142,975.56x = 14,590,222,438.85
  5. Step 5: Solve for x
    x = 14,590,222,438.85/142,975.56
  6. Step 6: Final answer
    x = 102,046.97

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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.