Home / 126,420.26-174,459.42-69,831.63

Finding the Fourth Proportional to 126,420.26, 174,459.42 and 69,831.63

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Solution

The fourth proportional to 126,420.26, 174,459.42 and 69,831.63 is: 96,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,420.26 : 174,459.42 = 69,831.63 : x
  2. Step 2: Convert to fraction form
    126,420.26/174,459.42 = 69,831.63/x
  3. Step 3: Cross multiply
    126,420.26x = 174,459.42 × 69,831.63
  4. Step 4: Simplify right side
    126,420.26x = 12,182,785,667.45
  5. Step 5: Solve for x
    x = 12,182,785,667.45/126,420.26
  6. Step 6: Final answer
    x = 96,367.36

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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.