Home / 119,254.81-178,880.39-30,507.56

Finding the Fourth Proportional to 119,254.81, 178,880.39 and 30,507.56

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Solution

The fourth proportional to 119,254.81, 178,880.39 and 30,507.56 is: 45,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,254.81 : 178,880.39 = 30,507.56 : x
  2. Step 2: Convert to fraction form
    119,254.81/178,880.39 = 30,507.56/x
  3. Step 3: Cross multiply
    119,254.81x = 178,880.39 × 30,507.56
  4. Step 4: Simplify right side
    119,254.81x = 5,457,204,078.21
  5. Step 5: Solve for x
    x = 5,457,204,078.21/119,254.81
  6. Step 6: Final answer
    x = 45,760.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.