Home / 187,718.98-259,055.13-102,830.44

Finding the Fourth Proportional to 187,718.98, 259,055.13 and 102,830.44

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Solution

The fourth proportional to 187,718.98, 259,055.13 and 102,830.44 is: 141,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,718.98 : 259,055.13 = 102,830.44 : x
  2. Step 2: Convert to fraction form
    187,718.98/259,055.13 = 102,830.44/x
  3. Step 3: Cross multiply
    187,718.98x = 259,055.13 × 102,830.44
  4. Step 4: Simplify right side
    187,718.98x = 26,638,753,002.16
  5. Step 5: Solve for x
    x = 26,638,753,002.16/187,718.98
  6. Step 6: Final answer
    x = 141,907.62

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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.