Home / 134,786.20-202,106.40-55,908.40

Finding the Fourth Proportional to 134,786.20, 202,106.40 and 55,908.40

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Solution

The fourth proportional to 134,786.20, 202,106.40 and 55,908.40 is: 83,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,786.20 : 202,106.40 = 55,908.40 : x
  2. Step 2: Convert to fraction form
    134,786.20/202,106.40 = 55,908.40/x
  3. Step 3: Cross multiply
    134,786.20x = 202,106.40 × 55,908.40
  4. Step 4: Simplify right side
    134,786.20x = 11,299,445,453.76
  5. Step 5: Solve for x
    x = 11,299,445,453.76/134,786.20
  6. Step 6: Final answer
    x = 83,832.36

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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.