Home / 88,106.85-132,180.80-25,782.21

Finding the Fourth Proportional to 88,106.85, 132,180.80 and 25,782.21

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Solution

The fourth proportional to 88,106.85, 132,180.80 and 25,782.21 is: 38,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.85 : 132,180.80 = 25,782.21 : x
  2. Step 2: Convert to fraction form
    88,106.85/132,180.80 = 25,782.21/x
  3. Step 3: Cross multiply
    88,106.85x = 132,180.80 × 25,782.21
  4. Step 4: Simplify right side
    88,106.85x = 3,407,913,014.66
  5. Step 5: Solve for x
    x = 3,407,913,014.66/88,106.85
  6. Step 6: Final answer
    x = 38,679.32

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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.