Home / 126,541.56-174,627.30-76,250.28

Finding the Fourth Proportional to 126,541.56, 174,627.30 and 76,250.28

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Solution

The fourth proportional to 126,541.56, 174,627.30 and 76,250.28 is: 105,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,541.56 : 174,627.30 = 76,250.28 : x
  2. Step 2: Convert to fraction form
    126,541.56/174,627.30 = 76,250.28/x
  3. Step 3: Cross multiply
    126,541.56x = 174,627.30 × 76,250.28
  4. Step 4: Simplify right side
    126,541.56x = 13,315,380,520.64
  5. Step 5: Solve for x
    x = 13,315,380,520.64/126,541.56
  6. Step 6: Final answer
    x = 105,225.35

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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.