Home / 101,106.28-151,514.91-74,241.49

Finding the Fourth Proportional to 101,106.28, 151,514.91 and 74,241.49

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Solution

The fourth proportional to 101,106.28, 151,514.91 and 74,241.49 is: 111,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,106.28 : 151,514.91 = 74,241.49 : x
  2. Step 2: Convert to fraction form
    101,106.28/151,514.91 = 74,241.49/x
  3. Step 3: Cross multiply
    101,106.28x = 151,514.91 × 74,241.49
  4. Step 4: Simplify right side
    101,106.28x = 11,248,692,675.62
  5. Step 5: Solve for x
    x = 11,248,692,675.62/101,106.28
  6. Step 6: Final answer
    x = 111,256.12

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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.