Home / 106,398.30-146,830.62-58,653.36

Finding the Fourth Proportional to 106,398.30, 146,830.62 and 58,653.36

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Solution

The fourth proportional to 106,398.30, 146,830.62 and 58,653.36 is: 80,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,398.30 : 146,830.62 = 58,653.36 : x
  2. Step 2: Convert to fraction form
    106,398.30/146,830.62 = 58,653.36/x
  3. Step 3: Cross multiply
    106,398.30x = 146,830.62 × 58,653.36
  4. Step 4: Simplify right side
    106,398.30x = 8,612,109,213.88
  5. Step 5: Solve for x
    x = 8,612,109,213.88/106,398.30
  6. Step 6: Final answer
    x = 80,942.17

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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.