Home / 126,771.42-174,937.90-69,399.75

Finding the Fourth Proportional to 126,771.42, 174,937.90 and 69,399.75

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Solution

The fourth proportional to 126,771.42, 174,937.90 and 69,399.75 is: 95,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,771.42 : 174,937.90 = 69,399.75 : x
  2. Step 2: Convert to fraction form
    126,771.42/174,937.90 = 69,399.75/x
  3. Step 3: Cross multiply
    126,771.42x = 174,937.90 × 69,399.75
  4. Step 4: Simplify right side
    126,771.42x = 12,140,646,525.53
  5. Step 5: Solve for x
    x = 12,140,646,525.53/126,771.42
  6. Step 6: Final answer
    x = 95,768.01

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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.