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Finding the Fourth Proportional to 111,413.72, 167,263.02 and 95,719.16

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Solution

The fourth proportional to 111,413.72, 167,263.02 and 95,719.16 is: 143,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,413.72 : 167,263.02 = 95,719.16 : x
  2. Step 2: Convert to fraction form
    111,413.72/167,263.02 = 95,719.16/x
  3. Step 3: Cross multiply
    111,413.72x = 167,263.02 × 95,719.16
  4. Step 4: Simplify right side
    111,413.72x = 16,010,275,773.46
  5. Step 5: Solve for x
    x = 16,010,275,773.46/111,413.72
  6. Step 6: Final answer
    x = 143,701.11

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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.