Home / 134,917.60-202,214.40-55,991.20

Finding the Fourth Proportional to 134,917.60, 202,214.40 and 55,991.20

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Solution

The fourth proportional to 134,917.60, 202,214.40 and 55,991.20 is: 83,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,917.60 : 202,214.40 = 55,991.20 : x
  2. Step 2: Convert to fraction form
    134,917.60/202,214.40 = 55,991.20/x
  3. Step 3: Cross multiply
    134,917.60x = 202,214.40 × 55,991.20
  4. Step 4: Simplify right side
    134,917.60x = 11,322,226,913.28
  5. Step 5: Solve for x
    x = 11,322,226,913.28/134,917.60
  6. Step 6: Final answer
    x = 83,919.57

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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.