Home / 126,425.28-174,471.93-72,710.27

Finding the Fourth Proportional to 126,425.28, 174,471.93 and 72,710.27

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Solution

The fourth proportional to 126,425.28, 174,471.93 and 72,710.27 is: 100,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,425.28 : 174,471.93 = 72,710.27 : x
  2. Step 2: Convert to fraction form
    126,425.28/174,471.93 = 72,710.27/x
  3. Step 3: Cross multiply
    126,425.28x = 174,471.93 × 72,710.27
  4. Step 4: Simplify right side
    126,425.28x = 12,685,900,265.36
  5. Step 5: Solve for x
    x = 12,685,900,265.36/126,425.28
  6. Step 6: Final answer
    x = 100,343.07

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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.