Home / 81,175.84-121,777.09-25,015.96

Finding the Fourth Proportional to 81,175.84, 121,777.09 and 25,015.96

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Solution

The fourth proportional to 81,175.84, 121,777.09 and 25,015.96 is: 37,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,175.84 : 121,777.09 = 25,015.96 : x
  2. Step 2: Convert to fraction form
    81,175.84/121,777.09 = 25,015.96/x
  3. Step 3: Cross multiply
    81,175.84x = 121,777.09 × 25,015.96
  4. Step 4: Simplify right side
    81,175.84x = 3,046,370,812.36
  5. Step 5: Solve for x
    x = 3,046,370,812.36/81,175.84
  6. Step 6: Final answer
    x = 37,528.05

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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.