Home / 126,445.43-174,512.97-75,460.30

Finding the Fourth Proportional to 126,445.43, 174,512.97 and 75,460.30

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Solution

The fourth proportional to 126,445.43, 174,512.97 and 75,460.30 is: 104,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,445.43 : 174,512.97 = 75,460.30 : x
  2. Step 2: Convert to fraction form
    126,445.43/174,512.97 = 75,460.30/x
  3. Step 3: Cross multiply
    126,445.43x = 174,512.97 × 75,460.30
  4. Step 4: Simplify right side
    126,445.43x = 13,168,800,633.81
  5. Step 5: Solve for x
    x = 13,168,800,633.81/126,445.43
  6. Step 6: Final answer
    x = 104,146.12

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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.