Home / 187,166.43-258,289.02-102,283.56

Finding the Fourth Proportional to 187,166.43, 258,289.02 and 102,283.56

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Solution

The fourth proportional to 187,166.43, 258,289.02 and 102,283.56 is: 141,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,166.43 : 258,289.02 = 102,283.56 : x
  2. Step 2: Convert to fraction form
    187,166.43/258,289.02 = 102,283.56/x
  3. Step 3: Cross multiply
    187,166.43x = 258,289.02 × 102,283.56
  4. Step 4: Simplify right side
    187,166.43x = 26,418,720,474.51
  5. Step 5: Solve for x
    x = 26,418,720,474.51/187,166.43
  6. Step 6: Final answer
    x = 141,150.96

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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.