Home / 121,556.58-182,241.92-100,430.16

Finding the Fourth Proportional to 121,556.58, 182,241.92 and 100,430.16

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Solution

The fourth proportional to 121,556.58, 182,241.92 and 100,430.16 is: 150,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,556.58 : 182,241.92 = 100,430.16 : x
  2. Step 2: Convert to fraction form
    121,556.58/182,241.92 = 100,430.16/x
  3. Step 3: Cross multiply
    121,556.58x = 182,241.92 × 100,430.16
  4. Step 4: Simplify right side
    121,556.58x = 18,302,584,682.16
  5. Step 5: Solve for x
    x = 18,302,584,682.16/121,556.58
  6. Step 6: Final answer
    x = 150,568.44

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1.5x scale

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.