Home / 136,530.93-188,413.53-76,105.41

Finding the Fourth Proportional to 136,530.93, 188,413.53 and 76,105.41

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Solution

The fourth proportional to 136,530.93, 188,413.53 and 76,105.41 is: 105,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,530.93 : 188,413.53 = 76,105.41 : x
  2. Step 2: Convert to fraction form
    136,530.93/188,413.53 = 76,105.41/x
  3. Step 3: Cross multiply
    136,530.93x = 188,413.53 × 76,105.41
  4. Step 4: Simplify right side
    136,530.93x = 14,339,288,950.20
  5. Step 5: Solve for x
    x = 14,339,288,950.20/136,530.93
  6. Step 6: Final answer
    x = 105,025.94

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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.