Home / 119,780.60-179,687.34-40,873.64

Finding the Fourth Proportional to 119,780.60, 179,687.34 and 40,873.64

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Solution

The fourth proportional to 119,780.60, 179,687.34 and 40,873.64 is: 61,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,780.60 : 179,687.34 = 40,873.64 : x
  2. Step 2: Convert to fraction form
    119,780.60/179,687.34 = 40,873.64/x
  3. Step 3: Cross multiply
    119,780.60x = 179,687.34 × 40,873.64
  4. Step 4: Simplify right side
    119,780.60x = 7,344,475,647.72
  5. Step 5: Solve for x
    x = 7,344,475,647.72/119,780.60
  6. Step 6: Final answer
    x = 61,316.07

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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.