Home / 136,984.57-205,468.65-57,002.33

Finding the Fourth Proportional to 136,984.57, 205,468.65 and 57,002.33

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Solution

The fourth proportional to 136,984.57, 205,468.65 and 57,002.33 is: 85,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,984.57 : 205,468.65 = 57,002.33 : x
  2. Step 2: Convert to fraction form
    136,984.57/205,468.65 = 57,002.33/x
  3. Step 3: Cross multiply
    136,984.57x = 205,468.65 × 57,002.33
  4. Step 4: Simplify right side
    136,984.57x = 11,712,192,305.63
  5. Step 5: Solve for x
    x = 11,712,192,305.63/136,984.57
  6. Step 6: Final answer
    x = 85,500.09

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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.