Home / 112,189.28-168,154.73-45,556.25

Finding the Fourth Proportional to 112,189.28, 168,154.73 and 45,556.25

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Solution

The fourth proportional to 112,189.28, 168,154.73 and 45,556.25 is: 68,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,189.28 : 168,154.73 = 45,556.25 : x
  2. Step 2: Convert to fraction form
    112,189.28/168,154.73 = 45,556.25/x
  3. Step 3: Cross multiply
    112,189.28x = 168,154.73 × 45,556.25
  4. Step 4: Simplify right side
    112,189.28x = 7,660,498,690.78
  5. Step 5: Solve for x
    x = 7,660,498,690.78/112,189.28
  6. Step 6: Final answer
    x = 68,281.91

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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.