Home / 119,705.28-179,327.88-66,954.84

Finding the Fourth Proportional to 119,705.28, 179,327.88 and 66,954.84

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Solution

The fourth proportional to 119,705.28, 179,327.88 and 66,954.84 is: 100,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,705.28 : 179,327.88 = 66,954.84 : x
  2. Step 2: Convert to fraction form
    119,705.28/179,327.88 = 66,954.84/x
  3. Step 3: Cross multiply
    119,705.28x = 179,327.88 × 66,954.84
  4. Step 4: Simplify right side
    119,705.28x = 12,006,869,512.94
  5. Step 5: Solve for x
    x = 12,006,869,512.94/119,705.28
  6. Step 6: Final answer
    x = 100,303.59

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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.