Home / 187,610.84-258,900.39-102,727.91

Finding the Fourth Proportional to 187,610.84, 258,900.39 and 102,727.91

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Solution

The fourth proportional to 187,610.84, 258,900.39 and 102,727.91 is: 141,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,610.84 : 258,900.39 = 102,727.91 : x
  2. Step 2: Convert to fraction form
    187,610.84/258,900.39 = 102,727.91/x
  3. Step 3: Cross multiply
    187,610.84x = 258,900.39 × 102,727.91
  4. Step 4: Simplify right side
    187,610.84x = 26,596,295,962.88
  5. Step 5: Solve for x
    x = 26,596,295,962.88/187,610.84
  6. Step 6: Final answer
    x = 141,763.11

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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.