Home / 187,410.11-258,643.73-102,539.93

Finding the Fourth Proportional to 187,410.11, 258,643.73 and 102,539.93

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Solution

The fourth proportional to 187,410.11, 258,643.73 and 102,539.93 is: 141,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,410.11 : 258,643.73 = 102,539.93 : x
  2. Step 2: Convert to fraction form
    187,410.11/258,643.73 = 102,539.93/x
  3. Step 3: Cross multiply
    187,410.11x = 258,643.73 × 102,539.93
  4. Step 4: Simplify right side
    187,410.11x = 26,521,308,932.27
  5. Step 5: Solve for x
    x = 26,521,308,932.27/187,410.11
  6. Step 6: Final answer
    x = 141,514.83

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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.