Home / 102,648.45-153,976.99-50,102.13

Finding the Fourth Proportional to 102,648.45, 153,976.99 and 50,102.13

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Solution

The fourth proportional to 102,648.45, 153,976.99 and 50,102.13 is: 75,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,648.45 : 153,976.99 = 50,102.13 : x
  2. Step 2: Convert to fraction form
    102,648.45/153,976.99 = 50,102.13/x
  3. Step 3: Cross multiply
    102,648.45x = 153,976.99 × 50,102.13
  4. Step 4: Simplify right side
    102,648.45x = 7,714,575,169.99
  5. Step 5: Solve for x
    x = 7,714,575,169.99/102,648.45
  6. Step 6: Final answer
    x = 75,155.30

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Double scale
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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.