Home / 119,756.40-179,634.60-75,433.20

Finding the Fourth Proportional to 119,756.40, 179,634.60 and 75,433.20

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Solution

The fourth proportional to 119,756.40, 179,634.60 and 75,433.20 is: 113,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756.40 : 179,634.60 = 75,433.20 : x
  2. Step 2: Convert to fraction form
    119,756.40/179,634.60 = 75,433.20/x
  3. Step 3: Cross multiply
    119,756.40x = 179,634.60 × 75,433.20
  4. Step 4: Simplify right side
    119,756.40x = 13,550,412,708.72
  5. Step 5: Solve for x
    x = 13,550,412,708.72/119,756.40
  6. Step 6: Final answer
    x = 113,149.80

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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.