Home / 126,338.57-174,327.41-72,613.57

Finding the Fourth Proportional to 126,338.57, 174,327.41 and 72,613.57

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Solution

The fourth proportional to 126,338.57, 174,327.41 and 72,613.57 is: 100,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,338.57 : 174,327.41 = 72,613.57 : x
  2. Step 2: Convert to fraction form
    126,338.57/174,327.41 = 72,613.57/x
  3. Step 3: Cross multiply
    126,338.57x = 174,327.41 × 72,613.57
  4. Step 4: Simplify right side
    126,338.57x = 12,658,535,334.67
  5. Step 5: Solve for x
    x = 12,658,535,334.67/126,338.57
  6. Step 6: Final answer
    x = 100,195.33

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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.