Home / 103,664.58-155,489.46-40,472.87

Finding the Fourth Proportional to 103,664.58, 155,489.46 and 40,472.87

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Solution

The fourth proportional to 103,664.58, 155,489.46 and 40,472.87 is: 60,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.58 : 155,489.46 = 40,472.87 : x
  2. Step 2: Convert to fraction form
    103,664.58/155,489.46 = 40,472.87/x
  3. Step 3: Cross multiply
    103,664.58x = 155,489.46 × 40,472.87
  4. Step 4: Simplify right side
    103,664.58x = 6,293,103,923.50
  5. Step 5: Solve for x
    x = 6,293,103,923.50/103,664.58
  6. Step 6: Final answer
    x = 60,706.40

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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.