Home / 133,183.03-183,785.55-72,752.80

Finding the Fourth Proportional to 133,183.03, 183,785.55 and 72,752.80

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Solution

The fourth proportional to 133,183.03, 183,785.55 and 72,752.80 is: 100,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,183.03 : 183,785.55 = 72,752.80 : x
  2. Step 2: Convert to fraction form
    133,183.03/183,785.55 = 72,752.80/x
  3. Step 3: Cross multiply
    133,183.03x = 183,785.55 × 72,752.80
  4. Step 4: Simplify right side
    133,183.03x = 13,370,913,362.04
  5. Step 5: Solve for x
    x = 13,370,913,362.04/133,183.03
  6. Step 6: Final answer
    x = 100,395.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.