Home / 187,293.52-258,465.12-102,411.28

Finding the Fourth Proportional to 187,293.52, 258,465.12 and 102,411.28

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Solution

The fourth proportional to 187,293.52, 258,465.12 and 102,411.28 is: 141,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,293.52 : 258,465.12 = 102,411.28 : x
  2. Step 2: Convert to fraction form
    187,293.52/258,465.12 = 102,411.28/x
  3. Step 3: Cross multiply
    187,293.52x = 258,465.12 × 102,411.28
  4. Step 4: Simplify right side
    187,293.52x = 26,469,743,774.55
  5. Step 5: Solve for x
    x = 26,469,743,774.55/187,293.52
  6. Step 6: Final answer
    x = 141,327.60

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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.