Home / 187,680.54-259,002.51-102,792.18

Finding the Fourth Proportional to 187,680.54, 259,002.51 and 102,792.18

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Solution

The fourth proportional to 187,680.54, 259,002.51 and 102,792.18 is: 141,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,680.54 : 259,002.51 = 102,792.18 : x
  2. Step 2: Convert to fraction form
    187,680.54/259,002.51 = 102,792.18/x
  3. Step 3: Cross multiply
    187,680.54x = 259,002.51 × 102,792.18
  4. Step 4: Simplify right side
    187,680.54x = 26,623,432,628.37
  5. Step 5: Solve for x
    x = 26,623,432,628.37/187,680.54
  6. Step 6: Final answer
    x = 141,855.05

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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.