Home / 126,329.10-174,333.06-69,739.26

Finding the Fourth Proportional to 126,329.10, 174,333.06 and 69,739.26

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Solution

The fourth proportional to 126,329.10, 174,333.06 and 69,739.26 is: 96,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,329.10 : 174,333.06 = 69,739.26 : x
  2. Step 2: Convert to fraction form
    126,329.10/174,333.06 = 69,739.26/x
  3. Step 3: Cross multiply
    126,329.10x = 174,333.06 × 69,739.26
  4. Step 4: Simplify right side
    126,329.10x = 12,157,858,597.94
  5. Step 5: Solve for x
    x = 12,157,858,597.94/126,329.10
  6. Step 6: Final answer
    x = 96,239.57

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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.