Home / 176,720.54-243,872.37-105,101.75

Finding the Fourth Proportional to 176,720.54, 243,872.37 and 105,101.75

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Solution

The fourth proportional to 176,720.54, 243,872.37 and 105,101.75 is: 145,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,720.54 : 243,872.37 = 105,101.75 : x
  2. Step 2: Convert to fraction form
    176,720.54/243,872.37 = 105,101.75/x
  3. Step 3: Cross multiply
    176,720.54x = 243,872.37 × 105,101.75
  4. Step 4: Simplify right side
    176,720.54x = 25,631,413,473.33
  5. Step 5: Solve for x
    x = 25,631,413,473.33/176,720.54
  6. Step 6: Final answer
    x = 145,039.25

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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.