Home / 126,129.08-174,059.34-69,542.48

Finding the Fourth Proportional to 126,129.08, 174,059.34 and 69,542.48

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Solution

The fourth proportional to 126,129.08, 174,059.34 and 69,542.48 is: 95,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,129.08 : 174,059.34 = 69,542.48 : x
  2. Step 2: Convert to fraction form
    126,129.08/174,059.34 = 69,542.48/x
  3. Step 3: Cross multiply
    126,129.08x = 174,059.34 × 69,542.48
  4. Step 4: Simplify right side
    126,129.08x = 12,104,518,170.76
  5. Step 5: Solve for x
    x = 12,104,518,170.76/126,129.08
  6. Step 6: Final answer
    x = 95,969.29

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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.