Home / 185,400.78-255,837.33-104,817.12

Finding the Fourth Proportional to 185,400.78, 255,837.33 and 104,817.12

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Solution

The fourth proportional to 185,400.78, 255,837.33 and 104,817.12 is: 144,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,400.78 : 255,837.33 = 104,817.12 : x
  2. Step 2: Convert to fraction form
    185,400.78/255,837.33 = 104,817.12/x
  3. Step 3: Cross multiply
    185,400.78x = 255,837.33 × 104,817.12
  4. Step 4: Simplify right side
    185,400.78x = 26,816,132,119.09
  5. Step 5: Solve for x
    x = 26,816,132,119.09/185,400.78
  6. Step 6: Final answer
    x = 144,638.72

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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.