Home / 129,622.44-178,897.50-73,039.08

Finding the Fourth Proportional to 129,622.44, 178,897.50 and 73,039.08

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Solution

The fourth proportional to 129,622.44, 178,897.50 and 73,039.08 is: 100,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,622.44 : 178,897.50 = 73,039.08 : x
  2. Step 2: Convert to fraction form
    129,622.44/178,897.50 = 73,039.08/x
  3. Step 3: Cross multiply
    129,622.44x = 178,897.50 × 73,039.08
  4. Step 4: Simplify right side
    129,622.44x = 13,066,508,814.30
  5. Step 5: Solve for x
    x = 13,066,508,814.30/129,622.44
  6. Step 6: Final answer
    x = 100,804.37

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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.