Home / 161,933.21-242,902.85-55,341.56

Finding the Fourth Proportional to 161,933.21, 242,902.85 and 55,341.56

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Solution

The fourth proportional to 161,933.21, 242,902.85 and 55,341.56 is: 83,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,933.21 : 242,902.85 = 55,341.56 : x
  2. Step 2: Convert to fraction form
    161,933.21/242,902.85 = 55,341.56/x
  3. Step 3: Cross multiply
    161,933.21x = 242,902.85 × 55,341.56
  4. Step 4: Simplify right side
    161,933.21x = 13,442,621,156.22
  5. Step 5: Solve for x
    x = 13,442,621,156.22/161,933.21
  6. Step 6: Final answer
    x = 83,013.37

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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.