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Finding the Fourth Proportional to 145,843.14, 218,769.39 and 46,004.26

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Solution

The fourth proportional to 145,843.14, 218,769.39 and 46,004.26 is: 69,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,843.14 : 218,769.39 = 46,004.26 : x
  2. Step 2: Convert to fraction form
    145,843.14/218,769.39 = 46,004.26/x
  3. Step 3: Cross multiply
    145,843.14x = 218,769.39 × 46,004.26
  4. Step 4: Simplify right side
    145,843.14x = 10,064,323,897.60
  5. Step 5: Solve for x
    x = 10,064,323,897.60/145,843.14
  6. Step 6: Final answer
    x = 69,007.87

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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.