Home / 133,913.79-200,730.53-45,136.61

Finding the Fourth Proportional to 133,913.79, 200,730.53 and 45,136.61

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Solution

The fourth proportional to 133,913.79, 200,730.53 and 45,136.61 is: 67,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,913.79 : 200,730.53 = 45,136.61 : x
  2. Step 2: Convert to fraction form
    133,913.79/200,730.53 = 45,136.61/x
  3. Step 3: Cross multiply
    133,913.79x = 200,730.53 × 45,136.61
  4. Step 4: Simplify right side
    133,913.79x = 9,060,295,923.85
  5. Step 5: Solve for x
    x = 9,060,295,923.85/133,913.79
  6. Step 6: Final answer
    x = 67,657.68

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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.