Home / 187,394.31-258,603.84-102,511.37

Finding the Fourth Proportional to 187,394.31, 258,603.84 and 102,511.37

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Solution

The fourth proportional to 187,394.31, 258,603.84 and 102,511.37 is: 141,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,394.31 : 258,603.84 = 102,511.37 : x
  2. Step 2: Convert to fraction form
    187,394.31/258,603.84 = 102,511.37/x
  3. Step 3: Cross multiply
    187,394.31x = 258,603.84 × 102,511.37
  4. Step 4: Simplify right side
    187,394.31x = 26,509,834,572.17
  5. Step 5: Solve for x
    x = 26,509,834,572.17/187,394.31
  6. Step 6: Final answer
    x = 141,465.53

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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.