Home / 138,887.63-208,310.09-44,105.51

Finding the Fourth Proportional to 138,887.63, 208,310.09 and 44,105.51

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Solution

The fourth proportional to 138,887.63, 208,310.09 and 44,105.51 is: 66,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,887.63 : 208,310.09 = 44,105.51 : x
  2. Step 2: Convert to fraction form
    138,887.63/208,310.09 = 44,105.51/x
  3. Step 3: Cross multiply
    138,887.63x = 208,310.09 × 44,105.51
  4. Step 4: Simplify right side
    138,887.63x = 9,187,621,495.52
  5. Step 5: Solve for x
    x = 9,187,621,495.52/138,887.63
  6. Step 6: Final answer
    x = 66,151.48

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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.