Home / 146,814.32-202,620.76-137,806.64

Finding the Fourth Proportional to 146,814.32, 202,620.76 and 137,806.64

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Solution

The fourth proportional to 146,814.32, 202,620.76 and 137,806.64 is: 190,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,814.32 : 202,620.76 = 137,806.64 : x
  2. Step 2: Convert to fraction form
    146,814.32/202,620.76 = 137,806.64/x
  3. Step 3: Cross multiply
    146,814.32x = 202,620.76 × 137,806.64
  4. Step 4: Simplify right side
    146,814.32x = 27,922,486,129.85
  5. Step 5: Solve for x
    x = 27,922,486,129.85/146,814.32
  6. Step 6: Final answer
    x = 190,189.12

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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.