Home / 187,272.04-258,435.87-102,394.57

Finding the Fourth Proportional to 187,272.04, 258,435.87 and 102,394.57

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Solution

The fourth proportional to 187,272.04, 258,435.87 and 102,394.57 is: 141,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272.04 : 258,435.87 = 102,394.57 : x
  2. Step 2: Convert to fraction form
    187,272.04/258,435.87 = 102,394.57/x
  3. Step 3: Cross multiply
    187,272.04x = 258,435.87 × 102,394.57
  4. Step 4: Simplify right side
    187,272.04x = 26,462,429,781.23
  5. Step 5: Solve for x
    x = 26,462,429,781.23/187,272.04
  6. Step 6: Final answer
    x = 141,304.76

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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.