Home / 129,854.60-194,628.30-96,984.20

Finding the Fourth Proportional to 129,854.60, 194,628.30 and 96,984.20

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Solution

The fourth proportional to 129,854.60, 194,628.30 and 96,984.20 is: 145,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,854.60 : 194,628.30 = 96,984.20 : x
  2. Step 2: Convert to fraction form
    129,854.60/194,628.30 = 96,984.20/x
  3. Step 3: Cross multiply
    129,854.60x = 194,628.30 × 96,984.20
  4. Step 4: Simplify right side
    129,854.60x = 18,875,869,972.86
  5. Step 5: Solve for x
    x = 18,875,869,972.86/129,854.60
  6. Step 6: Final answer
    x = 145,361.58

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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.