Home / 187,896.76-259,313.88-103,030.36

Finding the Fourth Proportional to 187,896.76, 259,313.88 and 103,030.36

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Solution

The fourth proportional to 187,896.76, 259,313.88 and 103,030.36 is: 142,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,896.76 : 259,313.88 = 103,030.36 : x
  2. Step 2: Convert to fraction form
    187,896.76/259,313.88 = 103,030.36/x
  3. Step 3: Cross multiply
    187,896.76x = 259,313.88 × 103,030.36
  4. Step 4: Simplify right side
    187,896.76x = 26,717,202,409.40
  5. Step 5: Solve for x
    x = 26,717,202,409.40/187,896.76
  6. Step 6: Final answer
    x = 142,190.86

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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.