Home / 90,773.48-136,160.84-31,608.97

Finding the Fourth Proportional to 90,773.48, 136,160.84 and 31,608.97

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Solution

The fourth proportional to 90,773.48, 136,160.84 and 31,608.97 is: 47,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,773.48 : 136,160.84 = 31,608.97 : x
  2. Step 2: Convert to fraction form
    90,773.48/136,160.84 = 31,608.97/x
  3. Step 3: Cross multiply
    90,773.48x = 136,160.84 × 31,608.97
  4. Step 4: Simplify right side
    90,773.48x = 4,303,903,645.36
  5. Step 5: Solve for x
    x = 4,303,903,645.36/90,773.48
  6. Step 6: Final answer
    x = 47,413.67

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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.