Home / 103,568.06-155,244.36-70,290.84

Finding the Fourth Proportional to 103,568.06, 155,244.36 and 70,290.84

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Solution

The fourth proportional to 103,568.06, 155,244.36 and 70,290.84 is: 105,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,568.06 : 155,244.36 = 70,290.84 : x
  2. Step 2: Convert to fraction form
    103,568.06/155,244.36 = 70,290.84/x
  3. Step 3: Cross multiply
    103,568.06x = 155,244.36 × 70,290.84
  4. Step 4: Simplify right side
    103,568.06x = 10,912,256,469.66
  5. Step 5: Solve for x
    x = 10,912,256,469.66/103,568.06
  6. Step 6: Final answer
    x = 105,363.14

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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.