Home / 129,783.60-194,711.85-63,225.90

Finding the Fourth Proportional to 129,783.60, 194,711.85 and 63,225.90

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Solution

The fourth proportional to 129,783.60, 194,711.85 and 63,225.90 is: 94,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,783.60 : 194,711.85 = 63,225.90 : x
  2. Step 2: Convert to fraction form
    129,783.60/194,711.85 = 63,225.90/x
  3. Step 3: Cross multiply
    129,783.60x = 194,711.85 × 63,225.90
  4. Step 4: Simplify right side
    129,783.60x = 12,310,831,956.92
  5. Step 5: Solve for x
    x = 12,310,831,956.92/129,783.60
  6. Step 6: Final answer
    x = 94,856.61

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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.