Home / 106,392.12-146,827.68-58,645.35

Finding the Fourth Proportional to 106,392.12, 146,827.68 and 58,645.35

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Solution

The fourth proportional to 106,392.12, 146,827.68 and 58,645.35 is: 80,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,392.12 : 146,827.68 = 58,645.35 : x
  2. Step 2: Convert to fraction form
    106,392.12/146,827.68 = 58,645.35/x
  3. Step 3: Cross multiply
    106,392.12x = 146,827.68 × 58,645.35
  4. Step 4: Simplify right side
    106,392.12x = 8,610,760,683.29
  5. Step 5: Solve for x
    x = 8,610,760,683.29/106,392.12
  6. Step 6: Final answer
    x = 80,934.20

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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.