Home / 187,122.84-258,233.40-102,245.52

Finding the Fourth Proportional to 187,122.84, 258,233.40 and 102,245.52

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Solution

The fourth proportional to 187,122.84, 258,233.40 and 102,245.52 is: 141,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,122.84 : 258,233.40 = 102,245.52 : x
  2. Step 2: Convert to fraction form
    187,122.84/258,233.40 = 102,245.52/x
  3. Step 3: Cross multiply
    187,122.84x = 258,233.40 × 102,245.52
  4. Step 4: Simplify right side
    187,122.84x = 26,403,208,264.37
  5. Step 5: Solve for x
    x = 26,403,208,264.37/187,122.84
  6. Step 6: Final answer
    x = 141,100.94

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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.