Home / 146,515.36-202,210.20-82,865.77

Finding the Fourth Proportional to 146,515.36, 202,210.20 and 82,865.77

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Solution

The fourth proportional to 146,515.36, 202,210.20 and 82,865.77 is: 114,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,515.36 : 202,210.20 = 82,865.77 : x
  2. Step 2: Convert to fraction form
    146,515.36/202,210.20 = 82,865.77/x
  3. Step 3: Cross multiply
    146,515.36x = 202,210.20 × 82,865.77
  4. Step 4: Simplify right side
    146,515.36x = 16,756,303,924.85
  5. Step 5: Solve for x
    x = 16,756,303,924.85/146,515.36
  6. Step 6: Final answer
    x = 114,365.51

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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.