Home / 126,321.09-174,352.42-83,308.35

Finding the Fourth Proportional to 126,321.09, 174,352.42 and 83,308.35

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Solution

The fourth proportional to 126,321.09, 174,352.42 and 83,308.35 is: 114,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,321.09 : 174,352.42 = 83,308.35 : x
  2. Step 2: Convert to fraction form
    126,321.09/174,352.42 = 83,308.35/x
  3. Step 3: Cross multiply
    126,321.09x = 174,352.42 × 83,308.35
  4. Step 4: Simplify right side
    126,321.09x = 14,525,011,737.32
  5. Step 5: Solve for x
    x = 14,525,011,737.32/126,321.09
  6. Step 6: Final answer
    x = 114,984.85

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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.