Home / 106,145.69-146,478.97-58,399.83

Finding the Fourth Proportional to 106,145.69, 146,478.97 and 58,399.83

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Solution

The fourth proportional to 106,145.69, 146,478.97 and 58,399.83 is: 80,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,145.69 : 146,478.97 = 58,399.83 : x
  2. Step 2: Convert to fraction form
    106,145.69/146,478.97 = 58,399.83/x
  3. Step 3: Cross multiply
    106,145.69x = 146,478.97 × 58,399.83
  4. Step 4: Simplify right side
    106,145.69x = 8,554,346,946.58
  5. Step 5: Solve for x
    x = 8,554,346,946.58/106,145.69
  6. Step 6: Final answer
    x = 80,590.62

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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.