Home / 70,172.50-105,265.83-22,785.61

Finding the Fourth Proportional to 70,172.50, 105,265.83 and 22,785.61

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Solution

The fourth proportional to 70,172.50, 105,265.83 and 22,785.61 is: 34,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.50 : 105,265.83 = 22,785.61 : x
  2. Step 2: Convert to fraction form
    70,172.50/105,265.83 = 22,785.61/x
  3. Step 3: Cross multiply
    70,172.50x = 105,265.83 × 22,785.61
  4. Step 4: Simplify right side
    70,172.50x = 2,398,546,148.71
  5. Step 5: Solve for x
    x = 2,398,546,148.71/70,172.50
  6. Step 6: Final answer
    x = 34,180.71

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1.5x scale

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.