Home / 126,619.38-174,756.27-72,935.52

Finding the Fourth Proportional to 126,619.38, 174,756.27 and 72,935.52

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Solution

The fourth proportional to 126,619.38, 174,756.27 and 72,935.52 is: 100,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,619.38 : 174,756.27 = 72,935.52 : x
  2. Step 2: Convert to fraction form
    126,619.38/174,756.27 = 72,935.52/x
  3. Step 3: Cross multiply
    126,619.38x = 174,756.27 × 72,935.52
  4. Step 4: Simplify right side
    126,619.38x = 12,745,939,425.71
  5. Step 5: Solve for x
    x = 12,745,939,425.71/126,619.38
  6. Step 6: Final answer
    x = 100,663.42

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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.