Home / 187,539.45-258,811.02-102,656.58

Finding the Fourth Proportional to 187,539.45, 258,811.02 and 102,656.58

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Solution

The fourth proportional to 187,539.45, 258,811.02 and 102,656.58 is: 141,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,539.45 : 258,811.02 = 102,656.58 : x
  2. Step 2: Convert to fraction form
    187,539.45/258,811.02 = 102,656.58/x
  3. Step 3: Cross multiply
    187,539.45x = 258,811.02 × 102,656.58
  4. Step 4: Simplify right side
    187,539.45x = 26,568,654,179.51
  5. Step 5: Solve for x
    x = 26,568,654,179.51/187,539.45
  6. Step 6: Final answer
    x = 141,669.68

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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.