Home / 126,082.32-174,244.41-103,386.12

Finding the Fourth Proportional to 126,082.32, 174,244.41 and 103,386.12

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Solution

The fourth proportional to 126,082.32, 174,244.41 and 103,386.12 is: 142,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,082.32 : 174,244.41 = 103,386.12 : x
  2. Step 2: Convert to fraction form
    126,082.32/174,244.41 = 103,386.12/x
  3. Step 3: Cross multiply
    126,082.32x = 174,244.41 × 103,386.12
  4. Step 4: Simplify right side
    126,082.32x = 18,014,453,481.59
  5. Step 5: Solve for x
    x = 18,014,453,481.59/126,082.32
  6. Step 6: Final answer
    x = 142,878.51

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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.