Home / 187,694.42-281,583.15-103,411.17

Finding the Fourth Proportional to 187,694.42, 281,583.15 and 103,411.17

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Solution

The fourth proportional to 187,694.42, 281,583.15 and 103,411.17 is: 155,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,694.42 : 281,583.15 = 103,411.17 : x
  2. Step 2: Convert to fraction form
    187,694.42/281,583.15 = 103,411.17/x
  3. Step 3: Cross multiply
    187,694.42x = 281,583.15 × 103,411.17
  4. Step 4: Simplify right side
    187,694.42x = 29,118,842,993.79
  5. Step 5: Solve for x
    x = 29,118,842,993.79/187,694.42
  6. Step 6: Final answer
    x = 155,139.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.