Home / 134,404.20-201,606.30-55,477.80

Finding the Fourth Proportional to 134,404.20, 201,606.30 and 55,477.80

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Solution

The fourth proportional to 134,404.20, 201,606.30 and 55,477.80 is: 83,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,404.20 : 201,606.30 = 55,477.80 : x
  2. Step 2: Convert to fraction form
    134,404.20/201,606.30 = 55,477.80/x
  3. Step 3: Cross multiply
    134,404.20x = 201,606.30 × 55,477.80
  4. Step 4: Simplify right side
    134,404.20x = 11,184,673,990.14
  5. Step 5: Solve for x
    x = 11,184,673,990.14/134,404.20
  6. Step 6: Final answer
    x = 83,216.70

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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.