Home / 181,538.90-250,532.56-100,964.70

Finding the Fourth Proportional to 181,538.90, 250,532.56 and 100,964.70

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Solution

The fourth proportional to 181,538.90, 250,532.56 and 100,964.70 is: 139,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,538.90 : 250,532.56 = 100,964.70 : x
  2. Step 2: Convert to fraction form
    181,538.90/250,532.56 = 100,964.70/x
  3. Step 3: Cross multiply
    181,538.90x = 250,532.56 × 100,964.70
  4. Step 4: Simplify right side
    181,538.90x = 25,294,945,591.46
  5. Step 5: Solve for x
    x = 25,294,945,591.46/181,538.90
  6. Step 6: Final answer
    x = 139,336.22

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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.