Home / 187,376.09-258,579.34-102,493.15

Finding the Fourth Proportional to 187,376.09, 258,579.34 and 102,493.15

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Solution

The fourth proportional to 187,376.09, 258,579.34 and 102,493.15 is: 141,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,376.09 : 258,579.34 = 102,493.15 : x
  2. Step 2: Convert to fraction form
    187,376.09/258,579.34 = 102,493.15/x
  3. Step 3: Cross multiply
    187,376.09x = 258,579.34 × 102,493.15
  4. Step 4: Simplify right side
    187,376.09x = 26,502,610,178.84
  5. Step 5: Solve for x
    x = 26,502,610,178.84/187,376.09
  6. Step 6: Final answer
    x = 141,440.73

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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.