Home / 129,784.86-179,099.91-73,195.74

Finding the Fourth Proportional to 129,784.86, 179,099.91 and 73,195.74

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Solution

The fourth proportional to 129,784.86, 179,099.91 and 73,195.74 is: 101,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,784.86 : 179,099.91 = 73,195.74 : x
  2. Step 2: Convert to fraction form
    129,784.86/179,099.91 = 73,195.74/x
  3. Step 3: Cross multiply
    129,784.86x = 179,099.91 × 73,195.74
  4. Step 4: Simplify right side
    129,784.86x = 13,109,350,446.38
  5. Step 5: Solve for x
    x = 13,109,350,446.38/129,784.86
  6. Step 6: Final answer
    x = 101,008.32

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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.