Home / 151,369.44-208,889.85-87,744.15

Finding the Fourth Proportional to 151,369.44, 208,889.85 and 87,744.15

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Solution

The fourth proportional to 151,369.44, 208,889.85 and 87,744.15 is: 121,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,369.44 : 208,889.85 = 87,744.15 : x
  2. Step 2: Convert to fraction form
    151,369.44/208,889.85 = 87,744.15/x
  3. Step 3: Cross multiply
    151,369.44x = 208,889.85 × 87,744.15
  4. Step 4: Simplify right side
    151,369.44x = 18,328,862,331.88
  5. Step 5: Solve for x
    x = 18,328,862,331.88/151,369.44
  6. Step 6: Final answer
    x = 121,086.94

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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.