Home / 187,971.03-259,376.02-107,403.77

Finding the Fourth Proportional to 187,971.03, 259,376.02 and 107,403.77

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Solution

The fourth proportional to 187,971.03, 259,376.02 and 107,403.77 is: 148,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,971.03 : 259,376.02 = 107,403.77 : x
  2. Step 2: Convert to fraction form
    187,971.03/259,376.02 = 107,403.77/x
  3. Step 3: Cross multiply
    187,971.03x = 259,376.02 × 107,403.77
  4. Step 4: Simplify right side
    187,971.03x = 27,857,961,098.72
  5. Step 5: Solve for x
    x = 27,857,961,098.72/187,971.03
  6. Step 6: Final answer
    x = 148,203.49

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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.