Home / 106,230.91-146,609.24-79,326.71

Finding the Fourth Proportional to 106,230.91, 146,609.24 and 79,326.71

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Solution

The fourth proportional to 106,230.91, 146,609.24 and 79,326.71 is: 109,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,230.91 : 146,609.24 = 79,326.71 : x
  2. Step 2: Convert to fraction form
    106,230.91/146,609.24 = 79,326.71/x
  3. Step 3: Cross multiply
    106,230.91x = 146,609.24 × 79,326.71
  4. Step 4: Simplify right side
    106,230.91x = 11,630,027,931.75
  5. Step 5: Solve for x
    x = 11,630,027,931.75/106,230.91
  6. Step 6: Final answer
    x = 109,478.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.