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Finding the Fourth Proportional to 181,940.40, 251,074.08 and 101,368.08

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Solution

The fourth proportional to 181,940.40, 251,074.08 and 101,368.08 is: 139,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,940.40 : 251,074.08 = 101,368.08 : x
  2. Step 2: Convert to fraction form
    181,940.40/251,074.08 = 101,368.08/x
  3. Step 3: Cross multiply
    181,940.40x = 251,074.08 × 101,368.08
  4. Step 4: Simplify right side
    181,940.40x = 25,450,897,427.37
  5. Step 5: Solve for x
    x = 25,450,897,427.37/181,940.40
  6. Step 6: Final answer
    x = 139,885.90

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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.