Home / 155,415.58-214,473.83-91,757.48

Finding the Fourth Proportional to 155,415.58, 214,473.83 and 91,757.48

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Solution

The fourth proportional to 155,415.58, 214,473.83 and 91,757.48 is: 126,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,415.58 : 214,473.83 = 91,757.48 : x
  2. Step 2: Convert to fraction form
    155,415.58/214,473.83 = 91,757.48/x
  3. Step 3: Cross multiply
    155,415.58x = 214,473.83 × 91,757.48
  4. Step 4: Simplify right side
    155,415.58x = 19,679,576,635.59
  5. Step 5: Solve for x
    x = 19,679,576,635.59/155,415.58
  6. Step 6: Final answer
    x = 126,625.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.