Home / 126,114.72-174,039.66-69,528.12

Finding the Fourth Proportional to 126,114.72, 174,039.66 and 69,528.12

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Solution

The fourth proportional to 126,114.72, 174,039.66 and 69,528.12 is: 95,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,114.72 : 174,039.66 = 69,528.12 : x
  2. Step 2: Convert to fraction form
    126,114.72/174,039.66 = 69,528.12/x
  3. Step 3: Cross multiply
    126,114.72x = 174,039.66 × 69,528.12
  4. Step 4: Simplify right side
    126,114.72x = 12,100,650,365.24
  5. Step 5: Solve for x
    x = 12,100,650,365.24/126,114.72
  6. Step 6: Final answer
    x = 95,949.55

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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.