Home / 263,413.42-363,509.85-142,554.94

Finding the Fourth Proportional to 263,413.42, 363,509.85 and 142,554.94

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Solution

The fourth proportional to 263,413.42, 363,509.85 and 142,554.94 is: 196,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,413.42 : 363,509.85 = 142,554.94 : x
  2. Step 2: Convert to fraction form
    263,413.42/363,509.85 = 142,554.94/x
  3. Step 3: Cross multiply
    263,413.42x = 363,509.85 × 142,554.94
  4. Step 4: Simplify right side
    263,413.42x = 51,820,124,856.16
  5. Step 5: Solve for x
    x = 51,820,124,856.16/263,413.42
  6. Step 6: Final answer
    x = 196,725.45

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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.