Home / 129,914.96-194,937.03-72,953.46

Finding the Fourth Proportional to 129,914.96, 194,937.03 and 72,953.46

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Solution

The fourth proportional to 129,914.96, 194,937.03 and 72,953.46 is: 109,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.96 : 194,937.03 = 72,953.46 : x
  2. Step 2: Convert to fraction form
    129,914.96/194,937.03 = 72,953.46/x
  3. Step 3: Cross multiply
    129,914.96x = 194,937.03 × 72,953.46
  4. Step 4: Simplify right side
    129,914.96x = 14,221,330,820.62
  5. Step 5: Solve for x
    x = 14,221,330,820.62/129,914.96
  6. Step 6: Final answer
    x = 109,466.46

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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.