Home / 187,411.88-258,634.47-102,528.95

Finding the Fourth Proportional to 187,411.88, 258,634.47 and 102,528.95

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Solution

The fourth proportional to 187,411.88, 258,634.47 and 102,528.95 is: 141,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,411.88 : 258,634.47 = 102,528.95 : x
  2. Step 2: Convert to fraction form
    187,411.88/258,634.47 = 102,528.95/x
  3. Step 3: Cross multiply
    187,411.88x = 258,634.47 × 102,528.95
  4. Step 4: Simplify right side
    187,411.88x = 26,517,519,349.73
  5. Step 5: Solve for x
    x = 26,517,519,349.73/187,411.88
  6. Step 6: Final answer
    x = 141,493.27

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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.