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Finding the Fourth Proportional to 183,829.60, 275,744.40 and 99,630.10

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Solution

The fourth proportional to 183,829.60, 275,744.40 and 99,630.10 is: 149,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,829.60 : 275,744.40 = 99,630.10 : x
  2. Step 2: Convert to fraction form
    183,829.60/275,744.40 = 99,630.10/x
  3. Step 3: Cross multiply
    183,829.60x = 275,744.40 × 99,630.10
  4. Step 4: Simplify right side
    183,829.60x = 27,472,442,146.44
  5. Step 5: Solve for x
    x = 27,472,442,146.44/183,829.60
  6. Step 6: Final answer
    x = 149,445.15

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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.