Home / 187,838.49-259,216.57-102,955.29

Finding the Fourth Proportional to 187,838.49, 259,216.57 and 102,955.29

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Solution

The fourth proportional to 187,838.49, 259,216.57 and 102,955.29 is: 142,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,838.49 : 259,216.57 = 102,955.29 : x
  2. Step 2: Convert to fraction form
    187,838.49/259,216.57 = 102,955.29/x
  3. Step 3: Cross multiply
    187,838.49x = 259,216.57 × 102,955.29
  4. Step 4: Simplify right side
    187,838.49x = 26,687,717,137.16
  5. Step 5: Solve for x
    x = 26,687,717,137.16/187,838.49
  6. Step 6: Final answer
    x = 142,078.00

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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.