Home / 144,505.17-199,413.95-79,093.67

Finding the Fourth Proportional to 144,505.17, 199,413.95 and 79,093.67

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Solution

The fourth proportional to 144,505.17, 199,413.95 and 79,093.67 is: 109,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,505.17 : 199,413.95 = 79,093.67 : x
  2. Step 2: Convert to fraction form
    144,505.17/199,413.95 = 79,093.67/x
  3. Step 3: Cross multiply
    144,505.17x = 199,413.95 × 79,093.67
  4. Step 4: Simplify right side
    144,505.17x = 15,772,379,762.16
  5. Step 5: Solve for x
    x = 15,772,379,762.16/144,505.17
  6. Step 6: Final answer
    x = 109,147.51

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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.