Home / 129,984.10-195,040.95-73,867.30

Finding the Fourth Proportional to 129,984.10, 195,040.95 and 73,867.30

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Solution

The fourth proportional to 129,984.10, 195,040.95 and 73,867.30 is: 110,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,984.10 : 195,040.95 = 73,867.30 : x
  2. Step 2: Convert to fraction form
    129,984.10/195,040.95 = 73,867.30/x
  3. Step 3: Cross multiply
    129,984.10x = 195,040.95 × 73,867.30
  4. Step 4: Simplify right side
    129,984.10x = 14,407,148,365.94
  5. Step 5: Solve for x
    x = 14,407,148,365.94/129,984.10
  6. Step 6: Final answer
    x = 110,837.77

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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.