Home / 164,121.25-246,181.95-51,812.86

Finding the Fourth Proportional to 164,121.25, 246,181.95 and 51,812.86

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Solution

The fourth proportional to 164,121.25, 246,181.95 and 51,812.86 is: 77,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,121.25 : 246,181.95 = 51,812.86 : x
  2. Step 2: Convert to fraction form
    164,121.25/246,181.95 = 51,812.86/x
  3. Step 3: Cross multiply
    164,121.25x = 246,181.95 × 51,812.86
  4. Step 4: Simplify right side
    164,121.25x = 12,755,390,909.88
  5. Step 5: Solve for x
    x = 12,755,390,909.88/164,121.25
  6. Step 6: Final answer
    x = 77,719.31

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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.