Home / 145,975.96-218,537.46-131,968.36

Finding the Fourth Proportional to 145,975.96, 218,537.46 and 131,968.36

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Solution

The fourth proportional to 145,975.96, 218,537.46 and 131,968.36 is: 197,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,975.96 : 218,537.46 = 131,968.36 : x
  2. Step 2: Convert to fraction form
    145,975.96/218,537.46 = 131,968.36/x
  3. Step 3: Cross multiply
    145,975.96x = 218,537.46 × 131,968.36
  4. Step 4: Simplify right side
    145,975.96x = 28,840,030,194.77
  5. Step 5: Solve for x
    x = 28,840,030,194.77/145,975.96
  6. Step 6: Final answer
    x = 197,566.98

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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.