Home / 133,532.70-200,007.45-103,716.60

Finding the Fourth Proportional to 133,532.70, 200,007.45 and 103,716.60

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Solution

The fourth proportional to 133,532.70, 200,007.45 and 103,716.60 is: 155,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,532.70 : 200,007.45 = 103,716.60 : x
  2. Step 2: Convert to fraction form
    133,532.70/200,007.45 = 103,716.60/x
  3. Step 3: Cross multiply
    133,532.70x = 200,007.45 × 103,716.60
  4. Step 4: Simplify right side
    133,532.70x = 20,744,092,688.67
  5. Step 5: Solve for x
    x = 20,744,092,688.67/133,532.70
  6. Step 6: Final answer
    x = 155,348.41

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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.