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Finding the Fourth Proportional to 181,375.79, 250,307.06 and 100,804.64

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Solution

The fourth proportional to 181,375.79, 250,307.06 and 100,804.64 is: 139,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,375.79 : 250,307.06 = 100,804.64 : x
  2. Step 2: Convert to fraction form
    181,375.79/250,307.06 = 100,804.64/x
  3. Step 3: Cross multiply
    181,375.79x = 250,307.06 × 100,804.64
  4. Step 4: Simplify right side
    181,375.79x = 25,232,111,317.20
  5. Step 5: Solve for x
    x = 25,232,111,317.20/181,375.79
  6. Step 6: Final answer
    x = 139,115.10

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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.