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Finding the Fourth Proportional to 157,163.60, 235,745.40 and 63,669.35

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Solution

The fourth proportional to 157,163.60, 235,745.40 and 63,669.35 is: 95,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,163.60 : 235,745.40 = 63,669.35 : x
  2. Step 2: Convert to fraction form
    157,163.60/235,745.40 = 63,669.35/x
  3. Step 3: Cross multiply
    157,163.60x = 235,745.40 × 63,669.35
  4. Step 4: Simplify right side
    157,163.60x = 15,009,756,383.49
  5. Step 5: Solve for x
    x = 15,009,756,383.49/157,163.60
  6. Step 6: Final answer
    x = 95,504.03

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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.