Home / 188,520.32-282,771.52-55,395.20

Finding the Fourth Proportional to 188,520.32, 282,771.52 and 55,395.20

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Solution

The fourth proportional to 188,520.32, 282,771.52 and 55,395.20 is: 83,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,520.32 : 282,771.52 = 55,395.20 : x
  2. Step 2: Convert to fraction form
    188,520.32/282,771.52 = 55,395.20/x
  3. Step 3: Cross multiply
    188,520.32x = 282,771.52 × 55,395.20
  4. Step 4: Simplify right side
    188,520.32x = 15,664,184,904.70
  5. Step 5: Solve for x
    x = 15,664,184,904.70/188,520.32
  6. Step 6: Final answer
    x = 83,090.17

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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.