Home / 119,256.20-178,890.42-30,510.47

Finding the Fourth Proportional to 119,256.20, 178,890.42 and 30,510.47

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Solution

The fourth proportional to 119,256.20, 178,890.42 and 30,510.47 is: 45,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,256.20 : 178,890.42 = 30,510.47 : x
  2. Step 2: Convert to fraction form
    119,256.20/178,890.42 = 30,510.47/x
  3. Step 3: Cross multiply
    119,256.20x = 178,890.42 × 30,510.47
  4. Step 4: Simplify right side
    119,256.20x = 5,458,030,792.70
  5. Step 5: Solve for x
    x = 5,458,030,792.70/119,256.20
  6. Step 6: Final answer
    x = 45,767.27

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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.