Home / 187,072.95-258,151.02-102,173.61

Finding the Fourth Proportional to 187,072.95, 258,151.02 and 102,173.61

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Solution

The fourth proportional to 187,072.95, 258,151.02 and 102,173.61 is: 140,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,072.95 : 258,151.02 = 102,173.61 : x
  2. Step 2: Convert to fraction form
    187,072.95/258,151.02 = 102,173.61/x
  3. Step 3: Cross multiply
    187,072.95x = 258,151.02 × 102,173.61
  4. Step 4: Simplify right side
    187,072.95x = 26,376,221,638.58
  5. Step 5: Solve for x
    x = 26,376,221,638.58/187,072.95
  6. Step 6: Final answer
    x = 140,994.31

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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.