Home / 126,344.32-174,126.79-104,720.19

Finding the Fourth Proportional to 126,344.32, 174,126.79 and 104,720.19

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Solution

The fourth proportional to 126,344.32, 174,126.79 and 104,720.19 is: 144,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,344.32 : 174,126.79 = 104,720.19 : x
  2. Step 2: Convert to fraction form
    126,344.32/174,126.79 = 104,720.19/x
  3. Step 3: Cross multiply
    126,344.32x = 174,126.79 × 104,720.19
  4. Step 4: Simplify right side
    126,344.32x = 18,234,590,532.89
  5. Step 5: Solve for x
    x = 18,234,590,532.89/126,344.32
  6. Step 6: Final answer
    x = 144,324.58

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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.