Home / 187,086.53-258,179.33-101,045.57

Finding the Fourth Proportional to 187,086.53, 258,179.33 and 101,045.57

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Solution

The fourth proportional to 187,086.53, 258,179.33 and 101,045.57 is: 139,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086.53 : 258,179.33 = 101,045.57 : x
  2. Step 2: Convert to fraction form
    187,086.53/258,179.33 = 101,045.57/x
  3. Step 3: Cross multiply
    187,086.53x = 258,179.33 × 101,045.57
  4. Step 4: Simplify right side
    187,086.53x = 26,087,875,765.94
  5. Step 5: Solve for x
    x = 26,087,875,765.94/187,086.53
  6. Step 6: Final answer
    x = 139,442.84

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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.