Home / 146,400.75-202,033.05-79,332.75

Finding the Fourth Proportional to 146,400.75, 202,033.05 and 79,332.75

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Solution

The fourth proportional to 146,400.75, 202,033.05 and 79,332.75 is: 109,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,400.75 : 202,033.05 = 79,332.75 : x
  2. Step 2: Convert to fraction form
    146,400.75/202,033.05 = 79,332.75/x
  3. Step 3: Cross multiply
    146,400.75x = 202,033.05 × 79,332.75
  4. Step 4: Simplify right side
    146,400.75x = 16,027,837,447.39
  5. Step 5: Solve for x
    x = 16,027,837,447.39/146,400.75
  6. Step 6: Final answer
    x = 109,479.20

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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.