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Finding the Fourth Proportional to 181,463.96, 250,428.60 and 100,899.76

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Solution

The fourth proportional to 181,463.96, 250,428.60 and 100,899.76 is: 139,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,463.96 : 250,428.60 = 100,899.76 : x
  2. Step 2: Convert to fraction form
    181,463.96/250,428.60 = 100,899.76/x
  3. Step 3: Cross multiply
    181,463.96x = 250,428.60 × 100,899.76
  4. Step 4: Simplify right side
    181,463.96x = 25,268,185,637.14
  5. Step 5: Solve for x
    x = 25,268,185,637.14/181,463.96
  6. Step 6: Final answer
    x = 139,246.30

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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.