Home / 187,420.44-258,752.70-115,896.36

Finding the Fourth Proportional to 187,420.44, 258,752.70 and 115,896.36

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Solution

The fourth proportional to 187,420.44, 258,752.70 and 115,896.36 is: 160,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,420.44 : 258,752.70 = 115,896.36 : x
  2. Step 2: Convert to fraction form
    187,420.44/258,752.70 = 115,896.36/x
  3. Step 3: Cross multiply
    187,420.44x = 258,752.70 × 115,896.36
  4. Step 4: Simplify right side
    187,420.44x = 29,988,496,070.17
  5. Step 5: Solve for x
    x = 29,988,496,070.17/187,420.44
  6. Step 6: Final answer
    x = 160,006.54

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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.