Home / 187,277.76-258,443.28-102,394.80

Finding the Fourth Proportional to 187,277.76, 258,443.28 and 102,394.80

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Solution

The fourth proportional to 187,277.76, 258,443.28 and 102,394.80 is: 141,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,277.76 : 258,443.28 = 102,394.80 : x
  2. Step 2: Convert to fraction form
    187,277.76/258,443.28 = 102,394.80/x
  3. Step 3: Cross multiply
    187,277.76x = 258,443.28 × 102,394.80
  4. Step 4: Simplify right side
    187,277.76x = 26,463,247,966.94
  5. Step 5: Solve for x
    x = 26,463,247,966.94/187,277.76
  6. Step 6: Final answer
    x = 141,304.81

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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.