Home / 109,188.77-163,787.81-38,118.56

Finding the Fourth Proportional to 109,188.77, 163,787.81 and 38,118.56

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Solution

The fourth proportional to 109,188.77, 163,787.81 and 38,118.56 is: 57,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188.77 : 163,787.81 = 38,118.56 : x
  2. Step 2: Convert to fraction form
    109,188.77/163,787.81 = 38,118.56/x
  3. Step 3: Cross multiply
    109,188.77x = 163,787.81 × 38,118.56
  4. Step 4: Simplify right side
    109,188.77x = 6,243,354,453.22
  5. Step 5: Solve for x
    x = 6,243,354,453.22/109,188.77
  6. Step 6: Final answer
    x = 57,179.46

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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.