Home / 187,490.96-258,738.36-102,607.82

Finding the Fourth Proportional to 187,490.96, 258,738.36 and 102,607.82

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Solution

The fourth proportional to 187,490.96, 258,738.36 and 102,607.82 is: 141,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,490.96 : 258,738.36 = 102,607.82 : x
  2. Step 2: Convert to fraction form
    187,490.96/258,738.36 = 102,607.82/x
  3. Step 3: Cross multiply
    187,490.96x = 258,738.36 × 102,607.82
  4. Step 4: Simplify right side
    187,490.96x = 26,548,579,069.98
  5. Step 5: Solve for x
    x = 26,548,579,069.98/187,490.96
  6. Step 6: Final answer
    x = 141,599.25

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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.