Home / 106,392.08-146,821.09-58,646.47

Finding the Fourth Proportional to 106,392.08, 146,821.09 and 58,646.47

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Solution

The fourth proportional to 106,392.08, 146,821.09 and 58,646.47 is: 80,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,392.08 : 146,821.09 = 58,646.47 : x
  2. Step 2: Convert to fraction form
    106,392.08/146,821.09 = 58,646.47/x
  3. Step 3: Cross multiply
    106,392.08x = 146,821.09 × 58,646.47
  4. Step 4: Simplify right side
    106,392.08x = 8,610,538,650.05
  5. Step 5: Solve for x
    x = 8,610,538,650.05/106,392.08
  6. Step 6: Final answer
    x = 80,932.14

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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.