Home / 125,093.57-187,640.72-30,323.38

Finding the Fourth Proportional to 125,093.57, 187,640.72 and 30,323.38

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Solution

The fourth proportional to 125,093.57, 187,640.72 and 30,323.38 is: 45,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,093.57 : 187,640.72 = 30,323.38 : x
  2. Step 2: Convert to fraction form
    125,093.57/187,640.72 = 30,323.38/x
  3. Step 3: Cross multiply
    125,093.57x = 187,640.72 × 30,323.38
  4. Step 4: Simplify right side
    125,093.57x = 5,689,900,700.85
  5. Step 5: Solve for x
    x = 5,689,900,700.85/125,093.57
  6. Step 6: Final answer
    x = 45,485.16

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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.