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Finding the Fourth Proportional to 92,546.55, 138,503.93 and 58,795.47

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Solution

The fourth proportional to 92,546.55, 138,503.93 and 58,795.47 is: 87,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,546.55 : 138,503.93 = 58,795.47 : x
  2. Step 2: Convert to fraction form
    92,546.55/138,503.93 = 58,795.47/x
  3. Step 3: Cross multiply
    92,546.55x = 138,503.93 × 58,795.47
  4. Step 4: Simplify right side
    92,546.55x = 8,143,403,367.22
  5. Step 5: Solve for x
    x = 8,143,403,367.22/92,546.55
  6. Step 6: Final answer
    x = 87,992.51

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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.