Home / 106,424.20-146,865.27-58,678.30

Finding the Fourth Proportional to 106,424.20, 146,865.27 and 58,678.30

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Solution

The fourth proportional to 106,424.20, 146,865.27 and 58,678.30 is: 80,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,424.20 : 146,865.27 = 58,678.30 : x
  2. Step 2: Convert to fraction form
    106,424.20/146,865.27 = 58,678.30/x
  3. Step 3: Cross multiply
    106,424.20x = 146,865.27 × 58,678.30
  4. Step 4: Simplify right side
    106,424.20x = 8,617,804,372.64
  5. Step 5: Solve for x
    x = 8,617,804,372.64/106,424.20
  6. Step 6: Final answer
    x = 80,975.98

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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.