Home / 133,048.11-199,498.86-90,975.63

Finding the Fourth Proportional to 133,048.11, 199,498.86 and 90,975.63

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Solution

The fourth proportional to 133,048.11, 199,498.86 and 90,975.63 is: 136,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.11 : 199,498.86 = 90,975.63 : x
  2. Step 2: Convert to fraction form
    133,048.11/199,498.86 = 90,975.63/x
  3. Step 3: Cross multiply
    133,048.11x = 199,498.86 × 90,975.63
  4. Step 4: Simplify right side
    133,048.11x = 18,149,534,472.78
  5. Step 5: Solve for x
    x = 18,149,534,472.78/133,048.11
  6. Step 6: Final answer
    x = 136,413.32

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1.5x scale

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.