Home / 126,328.59-174,332.37-69,738.75

Finding the Fourth Proportional to 126,328.59, 174,332.37 and 69,738.75

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Solution

The fourth proportional to 126,328.59, 174,332.37 and 69,738.75 is: 96,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,328.59 : 174,332.37 = 69,738.75 : x
  2. Step 2: Convert to fraction form
    126,328.59/174,332.37 = 69,738.75/x
  3. Step 3: Cross multiply
    126,328.59x = 174,332.37 × 69,738.75
  4. Step 4: Simplify right side
    126,328.59x = 12,157,721,568.34
  5. Step 5: Solve for x
    x = 12,157,721,568.34/126,328.59
  6. Step 6: Final answer
    x = 96,238.88

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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.