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Finding the Fourth Proportional to 181,453.76, 250,384.30 and 100,870.96

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Solution

The fourth proportional to 181,453.76, 250,384.30 and 100,870.96 is: 139,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,453.76 : 250,384.30 = 100,870.96 : x
  2. Step 2: Convert to fraction form
    181,453.76/250,384.30 = 100,870.96/x
  3. Step 3: Cross multiply
    181,453.76x = 250,384.30 × 100,870.96
  4. Step 4: Simplify right side
    181,453.76x = 25,256,504,709.93
  5. Step 5: Solve for x
    x = 25,256,504,709.93/181,453.76
  6. Step 6: Final answer
    x = 139,189.76

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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.