Home / 219,887.45-303,419.08-123,096.60

Finding the Fourth Proportional to 219,887.45, 303,419.08 and 123,096.60

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Solution

The fourth proportional to 219,887.45, 303,419.08 and 123,096.60 is: 169,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,887.45 : 303,419.08 = 123,096.60 : x
  2. Step 2: Convert to fraction form
    219,887.45/303,419.08 = 123,096.60/x
  3. Step 3: Cross multiply
    219,887.45x = 303,419.08 × 123,096.60
  4. Step 4: Simplify right side
    219,887.45x = 37,349,857,123.13
  5. Step 5: Solve for x
    x = 37,349,857,123.13/219,887.45
  6. Step 6: Final answer
    x = 169,858.98

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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.