Home / 151,441.08-208,997.82-83,457.87

Finding the Fourth Proportional to 151,441.08, 208,997.82 and 83,457.87

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Solution

The fourth proportional to 151,441.08, 208,997.82 and 83,457.87 is: 115,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,441.08 : 208,997.82 = 83,457.87 : x
  2. Step 2: Convert to fraction form
    151,441.08/208,997.82 = 83,457.87/x
  3. Step 3: Cross multiply
    151,441.08x = 208,997.82 × 83,457.87
  4. Step 4: Simplify right side
    151,441.08x = 17,442,512,891.84
  5. Step 5: Solve for x
    x = 17,442,512,891.84/151,441.08
  6. Step 6: Final answer
    x = 115,176.89

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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.