Home / 146,392.77-202,011.41-80,978.83

Finding the Fourth Proportional to 146,392.77, 202,011.41 and 80,978.83

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Solution

The fourth proportional to 146,392.77, 202,011.41 and 80,978.83 is: 111,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,392.77 : 202,011.41 = 80,978.83 : x
  2. Step 2: Convert to fraction form
    146,392.77/202,011.41 = 80,978.83/x
  3. Step 3: Cross multiply
    146,392.77x = 202,011.41 × 80,978.83
  4. Step 4: Simplify right side
    146,392.77x = 16,358,647,628.45
  5. Step 5: Solve for x
    x = 16,358,647,628.45/146,392.77
  6. Step 6: Final answer
    x = 111,744.91

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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.