Home / 106,136.08-146,464.09-58,388.92

Finding the Fourth Proportional to 106,136.08, 146,464.09 and 58,388.92

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Solution

The fourth proportional to 106,136.08, 146,464.09 and 58,388.92 is: 80,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,136.08 : 146,464.09 = 58,388.92 : x
  2. Step 2: Convert to fraction form
    106,136.08/146,464.09 = 58,388.92/x
  3. Step 3: Cross multiply
    106,136.08x = 146,464.09 × 58,388.92
  4. Step 4: Simplify right side
    106,136.08x = 8,551,879,009.62
  5. Step 5: Solve for x
    x = 8,551,879,009.62/106,136.08
  6. Step 6: Final answer
    x = 80,574.67

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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.