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Finding the Fourth Proportional to 183,076, 252,648.72 and 103,588

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Solution

The fourth proportional to 183,076, 252,648.72 and 103,588 is: 142,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,076 : 252,648.72 = 103,588 : x
  2. Step 2: Convert to fraction form
    183,076/252,648.72 = 103,588/x
  3. Step 3: Cross multiply
    183,076x = 252,648.72 × 103,588
  4. Step 4: Simplify right side
    183,076x = 26,171,375,607.36
  5. Step 5: Solve for x
    x = 26,171,375,607.36/183,076
  6. Step 6: Final answer
    x = 142,953.61

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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.