Home / 108,117.54-149,304.87-102,227.22

Finding the Fourth Proportional to 108,117.54, 149,304.87 and 102,227.22

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Solution

The fourth proportional to 108,117.54, 149,304.87 and 102,227.22 is: 141,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,117.54 : 149,304.87 = 102,227.22 : x
  2. Step 2: Convert to fraction form
    108,117.54/149,304.87 = 102,227.22/x
  3. Step 3: Cross multiply
    108,117.54x = 149,304.87 × 102,227.22
  4. Step 4: Simplify right side
    108,117.54x = 15,263,021,792.56
  5. Step 5: Solve for x
    x = 15,263,021,792.56/108,117.54
  6. Step 6: Final answer
    x = 141,170.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.