Home / 120,401.67-166,156.07-69,413.52

Finding the Fourth Proportional to 120,401.67, 166,156.07 and 69,413.52

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Solution

The fourth proportional to 120,401.67, 166,156.07 and 69,413.52 is: 95,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,401.67 : 166,156.07 = 69,413.52 : x
  2. Step 2: Convert to fraction form
    120,401.67/166,156.07 = 69,413.52/x
  3. Step 3: Cross multiply
    120,401.67x = 166,156.07 × 69,413.52
  4. Step 4: Simplify right side
    120,401.67x = 11,533,477,341.00
  5. Step 5: Solve for x
    x = 11,533,477,341.00/120,401.67
  6. Step 6: Final answer
    x = 95,791.67

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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.