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Finding the Fourth Proportional to 183,415.60, 275,123.40 and 165,700.90

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Solution

The fourth proportional to 183,415.60, 275,123.40 and 165,700.90 is: 248,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,415.60 : 275,123.40 = 165,700.90 : x
  2. Step 2: Convert to fraction form
    183,415.60/275,123.40 = 165,700.90/x
  3. Step 3: Cross multiply
    183,415.60x = 275,123.40 × 165,700.90
  4. Step 4: Simplify right side
    183,415.60x = 45,588,194,991.06
  5. Step 5: Solve for x
    x = 45,588,194,991.06/183,415.60
  6. Step 6: Final answer
    x = 248,551.35

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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.