Home / 125,619.76-173,277.53-82,604.21

Finding the Fourth Proportional to 125,619.76, 173,277.53 and 82,604.21

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Solution

The fourth proportional to 125,619.76, 173,277.53 and 82,604.21 is: 113,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,619.76 : 173,277.53 = 82,604.21 : x
  2. Step 2: Convert to fraction form
    125,619.76/173,277.53 = 82,604.21/x
  3. Step 3: Cross multiply
    125,619.76x = 173,277.53 × 82,604.21
  4. Step 4: Simplify right side
    125,619.76x = 14,313,452,506.76
  5. Step 5: Solve for x
    x = 14,313,452,506.76/125,619.76
  6. Step 6: Final answer
    x = 113,942.68

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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.