Home / 115,499.66-159,392.14-67,787.42

Finding the Fourth Proportional to 115,499.66, 159,392.14 and 67,787.42

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Solution

The fourth proportional to 115,499.66, 159,392.14 and 67,787.42 is: 93,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,499.66 : 159,392.14 = 67,787.42 : x
  2. Step 2: Convert to fraction form
    115,499.66/159,392.14 = 67,787.42/x
  3. Step 3: Cross multiply
    115,499.66x = 159,392.14 × 67,787.42
  4. Step 4: Simplify right side
    115,499.66x = 10,804,780,972.45
  5. Step 5: Solve for x
    x = 10,804,780,972.45/115,499.66
  6. Step 6: Final answer
    x = 93,548.17

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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.