Home / 258,130.56-387,137.46-98,149.41

Finding the Fourth Proportional to 258,130.56, 387,137.46 and 98,149.41

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Solution

The fourth proportional to 258,130.56, 387,137.46 and 98,149.41 is: 147,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,130.56 : 387,137.46 = 98,149.41 : x
  2. Step 2: Convert to fraction form
    258,130.56/387,137.46 = 98,149.41/x
  3. Step 3: Cross multiply
    258,130.56x = 387,137.46 × 98,149.41
  4. Step 4: Simplify right side
    258,130.56x = 37,997,313,287.90
  5. Step 5: Solve for x
    x = 37,997,313,287.90/258,130.56
  6. Step 6: Final answer
    x = 147,201.92

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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.