Home / 142,790.67-197,074.49-108,744.75

Finding the Fourth Proportional to 142,790.67, 197,074.49 and 108,744.75

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Solution

The fourth proportional to 142,790.67, 197,074.49 and 108,744.75 is: 150,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,790.67 : 197,074.49 = 108,744.75 : x
  2. Step 2: Convert to fraction form
    142,790.67/197,074.49 = 108,744.75/x
  3. Step 3: Cross multiply
    142,790.67x = 197,074.49 × 108,744.75
  4. Step 4: Simplify right side
    142,790.67x = 21,430,815,602.70
  5. Step 5: Solve for x
    x = 21,430,815,602.70/142,790.67
  6. Step 6: Final answer
    x = 150,085.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.