Home / 119,059.06-178,589.58-30,312.58

Finding the Fourth Proportional to 119,059.06, 178,589.58 and 30,312.58

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Solution

The fourth proportional to 119,059.06, 178,589.58 and 30,312.58 is: 45,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,059.06 : 178,589.58 = 30,312.58 : x
  2. Step 2: Convert to fraction form
    119,059.06/178,589.58 = 30,312.58/x
  3. Step 3: Cross multiply
    119,059.06x = 178,589.58 × 30,312.58
  4. Step 4: Simplify right side
    119,059.06x = 5,413,510,930.92
  5. Step 5: Solve for x
    x = 5,413,510,930.92/119,059.06
  6. Step 6: Final answer
    x = 45,469.12

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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.