Home / 136,137.79-204,206.73-56,174.59

Finding the Fourth Proportional to 136,137.79, 204,206.73 and 56,174.59

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Solution

The fourth proportional to 136,137.79, 204,206.73 and 56,174.59 is: 84,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,137.79 : 204,206.73 = 56,174.59 : x
  2. Step 2: Convert to fraction form
    136,137.79/204,206.73 = 56,174.59/x
  3. Step 3: Cross multiply
    136,137.79x = 204,206.73 × 56,174.59
  4. Step 4: Simplify right side
    136,137.79x = 11,471,229,332.99
  5. Step 5: Solve for x
    x = 11,471,229,332.99/136,137.79
  6. Step 6: Final answer
    x = 84,261.90

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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.