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Finding the Fourth Proportional to 183,670.90, 253,433.82 and 103,101.82

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Solution

The fourth proportional to 183,670.90, 253,433.82 and 103,101.82 is: 142,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,670.90 : 253,433.82 = 103,101.82 : x
  2. Step 2: Convert to fraction form
    183,670.90/253,433.82 = 103,101.82/x
  3. Step 3: Cross multiply
    183,670.90x = 253,433.82 × 103,101.82
  4. Step 4: Simplify right side
    183,670.90x = 26,129,488,091.55
  5. Step 5: Solve for x
    x = 26,129,488,091.55/183,670.90
  6. Step 6: Final answer
    x = 142,262.54

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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.