Home / 100,774.13-151,177.46-34,207.25

Finding the Fourth Proportional to 100,774.13, 151,177.46 and 34,207.25

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Solution

The fourth proportional to 100,774.13, 151,177.46 and 34,207.25 is: 51,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,774.13 : 151,177.46 = 34,207.25 : x
  2. Step 2: Convert to fraction form
    100,774.13/151,177.46 = 34,207.25/x
  3. Step 3: Cross multiply
    100,774.13x = 151,177.46 × 34,207.25
  4. Step 4: Simplify right side
    100,774.13x = 5,171,364,241.66
  5. Step 5: Solve for x
    x = 5,171,364,241.66/100,774.13
  6. Step 6: Final answer
    x = 51,316.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.