Home / 187,731.84-259,072-102,846.72

Finding the Fourth Proportional to 187,731.84, 259,072 and 102,846.72

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Solution

The fourth proportional to 187,731.84, 259,072 and 102,846.72 is: 141,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,731.84 : 259,072 = 102,846.72 : x
  2. Step 2: Convert to fraction form
    187,731.84/259,072 = 102,846.72/x
  3. Step 3: Cross multiply
    187,731.84x = 259,072 × 102,846.72
  4. Step 4: Simplify right side
    187,731.84x = 26,644,705,443.84
  5. Step 5: Solve for x
    x = 26,644,705,443.84/187,731.84
  6. Step 6: Final answer
    x = 141,929.60

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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.