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Finding the Fourth Proportional to 162,655.26, 224,413.11 and 91,023.90

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Solution

The fourth proportional to 162,655.26, 224,413.11 and 91,023.90 is: 125,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,655.26 : 224,413.11 = 91,023.90 : x
  2. Step 2: Convert to fraction form
    162,655.26/224,413.11 = 91,023.90/x
  3. Step 3: Cross multiply
    162,655.26x = 224,413.11 × 91,023.90
  4. Step 4: Simplify right side
    162,655.26x = 20,426,956,483.33
  5. Step 5: Solve for x
    x = 20,426,956,483.33/162,655.26
  6. Step 6: Final answer
    x = 125,584.36

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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.