Home / 172,945.55-238,574.08-140,716.20

Finding the Fourth Proportional to 172,945.55, 238,574.08 and 140,716.20

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Solution

The fourth proportional to 172,945.55, 238,574.08 and 140,716.20 is: 194,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,945.55 : 238,574.08 = 140,716.20 : x
  2. Step 2: Convert to fraction form
    172,945.55/238,574.08 = 140,716.20/x
  3. Step 3: Cross multiply
    172,945.55x = 238,574.08 × 140,716.20
  4. Step 4: Simplify right side
    172,945.55x = 33,571,237,956.10
  5. Step 5: Solve for x
    x = 33,571,237,956.10/172,945.55
  6. Step 6: Final answer
    x = 194,114.49

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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.