Home / 119,739.46-179,614.62-40,854.34

Finding the Fourth Proportional to 119,739.46, 179,614.62 and 40,854.34

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Solution

The fourth proportional to 119,739.46, 179,614.62 and 40,854.34 is: 61,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,739.46 : 179,614.62 = 40,854.34 : x
  2. Step 2: Convert to fraction form
    119,739.46/179,614.62 = 40,854.34/x
  3. Step 3: Cross multiply
    119,739.46x = 179,614.62 × 40,854.34
  4. Step 4: Simplify right side
    119,739.46x = 7,338,036,754.45
  5. Step 5: Solve for x
    x = 7,338,036,754.45/119,739.46
  6. Step 6: Final answer
    x = 61,283.36

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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.