Home / 109,787.83-151,491.17-64,480.41

Finding the Fourth Proportional to 109,787.83, 151,491.17 and 64,480.41

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Solution

The fourth proportional to 109,787.83, 151,491.17 and 64,480.41 is: 88,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,787.83 : 151,491.17 = 64,480.41 : x
  2. Step 2: Convert to fraction form
    109,787.83/151,491.17 = 64,480.41/x
  3. Step 3: Cross multiply
    109,787.83x = 151,491.17 × 64,480.41
  4. Step 4: Simplify right side
    109,787.83x = 9,768,212,914.18
  5. Step 5: Solve for x
    x = 9,768,212,914.18/109,787.83
  6. Step 6: Final answer
    x = 88,973.55

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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.