Home / 136,515.79-204,865.91-47,770.07

Finding the Fourth Proportional to 136,515.79, 204,865.91 and 47,770.07

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Solution

The fourth proportional to 136,515.79, 204,865.91 and 47,770.07 is: 71,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,515.79 : 204,865.91 = 47,770.07 : x
  2. Step 2: Convert to fraction form
    136,515.79/204,865.91 = 47,770.07/x
  3. Step 3: Cross multiply
    136,515.79x = 204,865.91 × 47,770.07
  4. Step 4: Simplify right side
    136,515.79x = 9,786,457,777.27
  5. Step 5: Solve for x
    x = 9,786,457,777.27/136,515.79
  6. Step 6: Final answer
    x = 71,687.37

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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.