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Finding the Fourth Proportional to 146,502.82, 202,175.10 and 79,434.82

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Solution

The fourth proportional to 146,502.82, 202,175.10 and 79,434.82 is: 109,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,502.82 : 202,175.10 = 79,434.82 : x
  2. Step 2: Convert to fraction form
    146,502.82/202,175.10 = 79,434.82/x
  3. Step 3: Cross multiply
    146,502.82x = 202,175.10 × 79,434.82
  4. Step 4: Simplify right side
    146,502.82x = 16,059,742,676.98
  5. Step 5: Solve for x
    x = 16,059,742,676.98/146,502.82
  6. Step 6: Final answer
    x = 109,620.71

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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.