Home / 187,354.89-258,554.16-106,789.95

Finding the Fourth Proportional to 187,354.89, 258,554.16 and 106,789.95

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Solution

The fourth proportional to 187,354.89, 258,554.16 and 106,789.95 is: 147,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,354.89 : 258,554.16 = 106,789.95 : x
  2. Step 2: Convert to fraction form
    187,354.89/258,554.16 = 106,789.95/x
  3. Step 3: Cross multiply
    187,354.89x = 258,554.16 × 106,789.95
  4. Step 4: Simplify right side
    187,354.89x = 27,610,985,818.69
  5. Step 5: Solve for x
    x = 27,610,985,818.69/187,354.89
  6. Step 6: Final answer
    x = 147,372.65

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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.