Home / 129,783.53-179,101.26-73,194.91

Finding the Fourth Proportional to 129,783.53, 179,101.26 and 73,194.91

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Solution

The fourth proportional to 129,783.53, 179,101.26 and 73,194.91 is: 101,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,783.53 : 179,101.26 = 73,194.91 : x
  2. Step 2: Convert to fraction form
    129,783.53/179,101.26 = 73,194.91/x
  3. Step 3: Cross multiply
    129,783.53x = 179,101.26 × 73,194.91
  4. Step 4: Simplify right side
    129,783.53x = 13,109,300,158.83
  5. Step 5: Solve for x
    x = 13,109,300,158.83/129,783.53
  6. Step 6: Final answer
    x = 101,008.96

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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.