Home / 187,290.54-258,462.09-102,407.94

Finding the Fourth Proportional to 187,290.54, 258,462.09 and 102,407.94

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Solution

The fourth proportional to 187,290.54, 258,462.09 and 102,407.94 is: 141,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,290.54 : 258,462.09 = 102,407.94 : x
  2. Step 2: Convert to fraction form
    187,290.54/258,462.09 = 102,407.94/x
  3. Step 3: Cross multiply
    187,290.54x = 258,462.09 × 102,407.94
  4. Step 4: Simplify right side
    187,290.54x = 26,468,570,204.99
  5. Step 5: Solve for x
    x = 26,468,570,204.99/187,290.54
  6. Step 6: Final answer
    x = 141,323.58

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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.