Home / 187,214.31-258,355.88-102,331.37

Finding the Fourth Proportional to 187,214.31, 258,355.88 and 102,331.37

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Solution

The fourth proportional to 187,214.31, 258,355.88 and 102,331.37 is: 141,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,214.31 : 258,355.88 = 102,331.37 : x
  2. Step 2: Convert to fraction form
    187,214.31/258,355.88 = 102,331.37/x
  3. Step 3: Cross multiply
    187,214.31x = 258,355.88 × 102,331.37
  4. Step 4: Simplify right side
    187,214.31x = 26,437,909,344.52
  5. Step 5: Solve for x
    x = 26,437,909,344.52/187,214.31
  6. Step 6: Final answer
    x = 141,217.35

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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.