Home / 187,140.88-258,260.79-102,263.41

Finding the Fourth Proportional to 187,140.88, 258,260.79 and 102,263.41

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Solution

The fourth proportional to 187,140.88, 258,260.79 and 102,263.41 is: 141,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,140.88 : 258,260.79 = 102,263.41 : x
  2. Step 2: Convert to fraction form
    187,140.88/258,260.79 = 102,263.41/x
  3. Step 3: Cross multiply
    187,140.88x = 258,260.79 × 102,263.41
  4. Step 4: Simplify right side
    187,140.88x = 26,410,627,252.07
  5. Step 5: Solve for x
    x = 26,410,627,252.07/187,140.88
  6. Step 6: Final answer
    x = 141,126.98

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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.