Home / 126,330.75-174,336.48-69,745.77

Finding the Fourth Proportional to 126,330.75, 174,336.48 and 69,745.77

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Solution

The fourth proportional to 126,330.75, 174,336.48 and 69,745.77 is: 96,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,330.75 : 174,336.48 = 69,745.77 : x
  2. Step 2: Convert to fraction form
    126,330.75/174,336.48 = 69,745.77/x
  3. Step 3: Cross multiply
    126,330.75x = 174,336.48 × 69,745.77
  4. Step 4: Simplify right side
    126,330.75x = 12,159,232,036.69
  5. Step 5: Solve for x
    x = 12,159,232,036.69/126,330.75
  6. Step 6: Final answer
    x = 96,249.19

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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.