Home / 247,923.02-342,133.81-134,745.78

Finding the Fourth Proportional to 247,923.02, 342,133.81 and 134,745.78

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Solution

The fourth proportional to 247,923.02, 342,133.81 and 134,745.78 is: 185,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,923.02 : 342,133.81 = 134,745.78 : x
  2. Step 2: Convert to fraction form
    247,923.02/342,133.81 = 134,745.78/x
  3. Step 3: Cross multiply
    247,923.02x = 342,133.81 × 134,745.78
  4. Step 4: Simplify right side
    247,923.02x = 46,101,087,092.82
  5. Step 5: Solve for x
    x = 46,101,087,092.82/247,923.02
  6. Step 6: Final answer
    x = 185,949.20

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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.