Home / 151,447.86-208,998.90-87,823.44

Finding the Fourth Proportional to 151,447.86, 208,998.90 and 87,823.44

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Solution

The fourth proportional to 151,447.86, 208,998.90 and 87,823.44 is: 121,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,447.86 : 208,998.90 = 87,823.44 : x
  2. Step 2: Convert to fraction form
    151,447.86/208,998.90 = 87,823.44/x
  3. Step 3: Cross multiply
    151,447.86x = 208,998.90 × 87,823.44
  4. Step 4: Simplify right side
    151,447.86x = 18,355,002,354.22
  5. Step 5: Solve for x
    x = 18,355,002,354.22/151,447.86
  6. Step 6: Final answer
    x = 121,196.84

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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.