Home / 171,984.74-258,008.09-70,764.91

Finding the Fourth Proportional to 171,984.74, 258,008.09 and 70,764.91

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Solution

The fourth proportional to 171,984.74, 258,008.09 and 70,764.91 is: 106,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,984.74 : 258,008.09 = 70,764.91 : x
  2. Step 2: Convert to fraction form
    171,984.74/258,008.09 = 70,764.91/x
  3. Step 3: Cross multiply
    171,984.74x = 258,008.09 × 70,764.91
  4. Step 4: Simplify right side
    171,984.74x = 18,257,919,268.12
  5. Step 5: Solve for x
    x = 18,257,919,268.12/171,984.74
  6. Step 6: Final answer
    x = 106,160.12

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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.