Home / 125,942.04-173,504.39-87,635.71

Finding the Fourth Proportional to 125,942.04, 173,504.39 and 87,635.71

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Solution

The fourth proportional to 125,942.04, 173,504.39 and 87,635.71 is: 120,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,942.04 : 173,504.39 = 87,635.71 : x
  2. Step 2: Convert to fraction form
    125,942.04/173,504.39 = 87,635.71/x
  3. Step 3: Cross multiply
    125,942.04x = 173,504.39 × 87,635.71
  4. Step 4: Simplify right side
    125,942.04x = 15,205,180,556.67
  5. Step 5: Solve for x
    x = 15,205,180,556.67/125,942.04
  6. Step 6: Final answer
    x = 120,731.57

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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.