Home / 80,853.58-121,297.17-34,106.86

Finding the Fourth Proportional to 80,853.58, 121,297.17 and 34,106.86

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Solution

The fourth proportional to 80,853.58, 121,297.17 and 34,106.86 is: 51,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853.58 : 121,297.17 = 34,106.86 : x
  2. Step 2: Convert to fraction form
    80,853.58/121,297.17 = 34,106.86/x
  3. Step 3: Cross multiply
    80,853.58x = 121,297.17 × 34,106.86
  4. Step 4: Simplify right side
    80,853.58x = 4,137,065,595.59
  5. Step 5: Solve for x
    x = 4,137,065,595.59/80,853.58
  6. Step 6: Final answer
    x = 51,167.38

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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.