Home / 119,283.15-178,920.60-30,537.42

Finding the Fourth Proportional to 119,283.15, 178,920.60 and 30,537.42

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Solution

The fourth proportional to 119,283.15, 178,920.60 and 30,537.42 is: 45,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,283.15 : 178,920.60 = 30,537.42 : x
  2. Step 2: Convert to fraction form
    119,283.15/178,920.60 = 30,537.42/x
  3. Step 3: Cross multiply
    119,283.15x = 178,920.60 × 30,537.42
  4. Step 4: Simplify right side
    119,283.15x = 5,463,773,508.85
  5. Step 5: Solve for x
    x = 5,463,773,508.85/119,283.15
  6. Step 6: Final answer
    x = 45,805.07

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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.