Home / 230,145.38-317,600.66-134,670.41

Finding the Fourth Proportional to 230,145.38, 317,600.66 and 134,670.41

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Solution

The fourth proportional to 230,145.38, 317,600.66 and 134,670.41 is: 185,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,145.38 : 317,600.66 = 134,670.41 : x
  2. Step 2: Convert to fraction form
    230,145.38/317,600.66 = 134,670.41/x
  3. Step 3: Cross multiply
    230,145.38x = 317,600.66 × 134,670.41
  4. Step 4: Simplify right side
    230,145.38x = 42,771,409,847.14
  5. Step 5: Solve for x
    x = 42,771,409,847.14/230,145.38
  6. Step 6: Final answer
    x = 185,845.19

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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.