Home / 136,161.72-204,271.74-57,230.46

Finding the Fourth Proportional to 136,161.72, 204,271.74 and 57,230.46

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Solution

The fourth proportional to 136,161.72, 204,271.74 and 57,230.46 is: 85,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,161.72 : 204,271.74 = 57,230.46 : x
  2. Step 2: Convert to fraction form
    136,161.72/204,271.74 = 57,230.46/x
  3. Step 3: Cross multiply
    136,161.72x = 204,271.74 × 57,230.46
  4. Step 4: Simplify right side
    136,161.72x = 11,690,565,645.20
  5. Step 5: Solve for x
    x = 11,690,565,645.20/136,161.72
  6. Step 6: Final answer
    x = 85,857.95

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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.