Home / 145,979.52-218,968.90-35,171.52

Finding the Fourth Proportional to 145,979.52, 218,968.90 and 35,171.52

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Solution

The fourth proportional to 145,979.52, 218,968.90 and 35,171.52 is: 52,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.52 : 218,968.90 = 35,171.52 : x
  2. Step 2: Convert to fraction form
    145,979.52/218,968.90 = 35,171.52/x
  3. Step 3: Cross multiply
    145,979.52x = 218,968.90 × 35,171.52
  4. Step 4: Simplify right side
    145,979.52x = 7,701,469,045.73
  5. Step 5: Solve for x
    x = 7,701,469,045.73/145,979.52
  6. Step 6: Final answer
    x = 52,757.19

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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.