Home / 247,923.03-342,133.80-134,745.78

Finding the Fourth Proportional to 247,923.03, 342,133.80 and 134,745.78

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Solution

The fourth proportional to 247,923.03, 342,133.80 and 134,745.78 is: 185,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,923.03 : 342,133.80 = 134,745.78 : x
  2. Step 2: Convert to fraction form
    247,923.03/342,133.80 = 134,745.78/x
  3. Step 3: Cross multiply
    247,923.03x = 342,133.80 × 134,745.78
  4. Step 4: Simplify right side
    247,923.03x = 46,101,085,745.36
  5. Step 5: Solve for x
    x = 46,101,085,745.36/247,923.03
  6. Step 6: Final answer
    x = 185,949.19

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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.