Home / 272,640.42-408,897.05-104,098.86

Finding the Fourth Proportional to 272,640.42, 408,897.05 and 104,098.86

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Solution

The fourth proportional to 272,640.42, 408,897.05 and 104,098.86 is: 156,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,640.42 : 408,897.05 = 104,098.86 : x
  2. Step 2: Convert to fraction form
    272,640.42/408,897.05 = 104,098.86/x
  3. Step 3: Cross multiply
    272,640.42x = 408,897.05 × 104,098.86
  4. Step 4: Simplify right side
    272,640.42x = 42,565,716,241.87
  5. Step 5: Solve for x
    x = 42,565,716,241.87/272,640.42
  6. Step 6: Final answer
    x = 156,124.01

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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.