Home / 187,344.70-258,537.72-102,459.94

Finding the Fourth Proportional to 187,344.70, 258,537.72 and 102,459.94

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Solution

The fourth proportional to 187,344.70, 258,537.72 and 102,459.94 is: 141,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,344.70 : 258,537.72 = 102,459.94 : x
  2. Step 2: Convert to fraction form
    187,344.70/258,537.72 = 102,459.94/x
  3. Step 3: Cross multiply
    187,344.70x = 258,537.72 × 102,459.94
  4. Step 4: Simplify right side
    187,344.70x = 26,489,759,016.82
  5. Step 5: Solve for x
    x = 26,489,759,016.82/187,344.70
  6. Step 6: Final answer
    x = 141,395.83

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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.