Home / 102,109.12-153,170.94-27,228.85

Finding the Fourth Proportional to 102,109.12, 153,170.94 and 27,228.85

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Solution

The fourth proportional to 102,109.12, 153,170.94 and 27,228.85 is: 40,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,109.12 : 153,170.94 = 27,228.85 : x
  2. Step 2: Convert to fraction form
    102,109.12/153,170.94 = 27,228.85/x
  3. Step 3: Cross multiply
    102,109.12x = 153,170.94 × 27,228.85
  4. Step 4: Simplify right side
    102,109.12x = 4,170,668,549.62
  5. Step 5: Solve for x
    x = 4,170,668,549.62/102,109.12
  6. Step 6: Final answer
    x = 40,845.21

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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.