Home / 119,176.11-178,764.08-30,429.63

Finding the Fourth Proportional to 119,176.11, 178,764.08 and 30,429.63

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Solution

The fourth proportional to 119,176.11, 178,764.08 and 30,429.63 is: 45,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,176.11 : 178,764.08 = 30,429.63 : x
  2. Step 2: Convert to fraction form
    119,176.11/178,764.08 = 30,429.63/x
  3. Step 3: Cross multiply
    119,176.11x = 178,764.08 × 30,429.63
  4. Step 4: Simplify right side
    119,176.11x = 5,439,724,659.54
  5. Step 5: Solve for x
    x = 5,439,724,659.54/119,176.11
  6. Step 6: Final answer
    x = 45,644.42

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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.