Home / 145,979.56-218,968.86-35,171.56

Finding the Fourth Proportional to 145,979.56, 218,968.86 and 35,171.56

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Solution

The fourth proportional to 145,979.56, 218,968.86 and 35,171.56 is: 52,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.56 : 218,968.86 = 35,171.56 : x
  2. Step 2: Convert to fraction form
    145,979.56/218,968.86 = 35,171.56/x
  3. Step 3: Cross multiply
    145,979.56x = 218,968.86 × 35,171.56
  4. Step 4: Simplify right side
    145,979.56x = 7,701,476,397.62
  5. Step 5: Solve for x
    x = 7,701,476,397.62/145,979.56
  6. Step 6: Final answer
    x = 52,757.22

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1.5x scale

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.