Home / 129,734.60-194,666.70-73,617.80

Finding the Fourth Proportional to 129,734.60, 194,666.70 and 73,617.80

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Solution

The fourth proportional to 129,734.60, 194,666.70 and 73,617.80 is: 110,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,734.60 : 194,666.70 = 73,617.80 : x
  2. Step 2: Convert to fraction form
    129,734.60/194,666.70 = 73,617.80/x
  3. Step 3: Cross multiply
    129,734.60x = 194,666.70 × 73,617.80
  4. Step 4: Simplify right side
    129,734.60x = 14,330,934,187.26
  5. Step 5: Solve for x
    x = 14,330,934,187.26/129,734.60
  6. Step 6: Final answer
    x = 110,463.47

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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.