Home / 152,221.85-210,150.60-91,807.73

Finding the Fourth Proportional to 152,221.85, 210,150.60 and 91,807.73

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Solution

The fourth proportional to 152,221.85, 210,150.60 and 91,807.73 is: 126,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,221.85 : 210,150.60 = 91,807.73 : x
  2. Step 2: Convert to fraction form
    152,221.85/210,150.60 = 91,807.73/x
  3. Step 3: Cross multiply
    152,221.85x = 210,150.60 × 91,807.73
  4. Step 4: Simplify right side
    152,221.85x = 19,293,449,544.14
  5. Step 5: Solve for x
    x = 19,293,449,544.14/152,221.85
  6. Step 6: Final answer
    x = 126,745.60

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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.