Home / 126,711.56-174,861.96-70,126.58

Finding the Fourth Proportional to 126,711.56, 174,861.96 and 70,126.58

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Solution

The fourth proportional to 126,711.56, 174,861.96 and 70,126.58 is: 96,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,711.56 : 174,861.96 = 70,126.58 : x
  2. Step 2: Convert to fraction form
    126,711.56/174,861.96 = 70,126.58/x
  3. Step 3: Cross multiply
    126,711.56x = 174,861.96 × 70,126.58
  4. Step 4: Simplify right side
    126,711.56x = 12,262,471,401.08
  5. Step 5: Solve for x
    x = 12,262,471,401.08/126,711.56
  6. Step 6: Final answer
    x = 96,774.68

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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.