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Finding the Fourth Proportional to 181,447.53, 250,383.41 and 100,870.15

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Solution

The fourth proportional to 181,447.53, 250,383.41 and 100,870.15 is: 139,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,447.53 : 250,383.41 = 100,870.15 : x
  2. Step 2: Convert to fraction form
    181,447.53/250,383.41 = 100,870.15/x
  3. Step 3: Cross multiply
    181,447.53x = 250,383.41 × 100,870.15
  4. Step 4: Simplify right side
    181,447.53x = 25,256,210,993.90
  5. Step 5: Solve for x
    x = 25,256,210,993.90/181,447.53
  6. Step 6: Final answer
    x = 139,192.92

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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.