Home / 557,758.20-836,637.30-137,028.60

Finding the Fourth Proportional to 557,758.20, 836,637.30 and 137,028.60

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Solution

The fourth proportional to 557,758.20, 836,637.30 and 137,028.60 is: 205,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,758.20 : 836,637.30 = 137,028.60 : x
  2. Step 2: Convert to fraction form
    557,758.20/836,637.30 = 137,028.60/x
  3. Step 3: Cross multiply
    557,758.20x = 836,637.30 × 137,028.60
  4. Step 4: Simplify right side
    557,758.20x = 114,643,237,926.78
  5. Step 5: Solve for x
    x = 114,643,237,926.78/557,758.20
  6. Step 6: Final answer
    x = 205,542.90

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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.