Home / 187,201.98-258,265.26-115,457.04

Finding the Fourth Proportional to 187,201.98, 258,265.26 and 115,457.04

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Solution

The fourth proportional to 187,201.98, 258,265.26 and 115,457.04 is: 159,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,201.98 : 258,265.26 = 115,457.04 : x
  2. Step 2: Convert to fraction form
    187,201.98/258,265.26 = 115,457.04/x
  3. Step 3: Cross multiply
    187,201.98x = 258,265.26 × 115,457.04
  4. Step 4: Simplify right side
    187,201.98x = 29,818,542,454.43
  5. Step 5: Solve for x
    x = 29,818,542,454.43/187,201.98
  6. Step 6: Final answer
    x = 159,285.40

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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.