Home / 70,172.57-105,265.94-22,785.68

Finding the Fourth Proportional to 70,172.57, 105,265.94 and 22,785.68

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Solution

The fourth proportional to 70,172.57, 105,265.94 and 22,785.68 is: 34,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.57 : 105,265.94 = 22,785.68 : x
  2. Step 2: Convert to fraction form
    70,172.57/105,265.94 = 22,785.68/x
  3. Step 3: Cross multiply
    70,172.57x = 105,265.94 × 22,785.68
  4. Step 4: Simplify right side
    70,172.57x = 2,398,556,023.74
  5. Step 5: Solve for x
    x = 2,398,556,023.74/70,172.57
  6. Step 6: Final answer
    x = 34,180.82

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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.