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Finding the Fourth Proportional to 236,071, 325,777.98 and 130,087

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Solution

The fourth proportional to 236,071, 325,777.98 and 130,087 is: 179,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,071 : 325,777.98 = 130,087 : x
  2. Step 2: Convert to fraction form
    236,071/325,777.98 = 130,087/x
  3. Step 3: Cross multiply
    236,071x = 325,777.98 × 130,087
  4. Step 4: Simplify right side
    236,071x = 42,379,480,084.26
  5. Step 5: Solve for x
    x = 42,379,480,084.26/236,071
  6. Step 6: Final answer
    x = 179,520.06

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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.