Home / 126,223.52-174,205.35-80,287.63

Finding the Fourth Proportional to 126,223.52, 174,205.35 and 80,287.63

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Solution

The fourth proportional to 126,223.52, 174,205.35 and 80,287.63 is: 110,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,223.52 : 174,205.35 = 80,287.63 : x
  2. Step 2: Convert to fraction form
    126,223.52/174,205.35 = 80,287.63/x
  3. Step 3: Cross multiply
    126,223.52x = 174,205.35 × 80,287.63
  4. Step 4: Simplify right side
    126,223.52x = 13,986,534,400.55
  5. Step 5: Solve for x
    x = 13,986,534,400.55/126,223.52
  6. Step 6: Final answer
    x = 110,807.68

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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.