Home / 167,615.80-251,257.62-78,710.15

Finding the Fourth Proportional to 167,615.80, 251,257.62 and 78,710.15

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Solution

The fourth proportional to 167,615.80, 251,257.62 and 78,710.15 is: 117,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,615.80 : 251,257.62 = 78,710.15 : x
  2. Step 2: Convert to fraction form
    167,615.80/251,257.62 = 78,710.15/x
  3. Step 3: Cross multiply
    167,615.80x = 251,257.62 × 78,710.15
  4. Step 4: Simplify right side
    167,615.80x = 19,776,524,958.84
  5. Step 5: Solve for x
    x = 19,776,524,958.84/167,615.80
  6. Step 6: Final answer
    x = 117,987.24

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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.