Home / 187,335.48-258,521.31-102,453.15

Finding the Fourth Proportional to 187,335.48, 258,521.31 and 102,453.15

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Solution

The fourth proportional to 187,335.48, 258,521.31 and 102,453.15 is: 141,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,335.48 : 258,521.31 = 102,453.15 : x
  2. Step 2: Convert to fraction form
    187,335.48/258,521.31 = 102,453.15/x
  3. Step 3: Cross multiply
    187,335.48x = 258,521.31 × 102,453.15
  4. Step 4: Simplify right side
    187,335.48x = 26,486,322,551.63
  5. Step 5: Solve for x
    x = 26,486,322,551.63/187,335.48
  6. Step 6: Final answer
    x = 141,384.44

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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.