Home / 119,995.79-179,933.18-40,005.36

Finding the Fourth Proportional to 119,995.79, 179,933.18 and 40,005.36

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Solution

The fourth proportional to 119,995.79, 179,933.18 and 40,005.36 is: 59,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,995.79 : 179,933.18 = 40,005.36 : x
  2. Step 2: Convert to fraction form
    119,995.79/179,933.18 = 40,005.36/x
  3. Step 3: Cross multiply
    119,995.79x = 179,933.18 × 40,005.36
  4. Step 4: Simplify right side
    119,995.79x = 7,198,291,441.82
  5. Step 5: Solve for x
    x = 7,198,291,441.82/119,995.79
  6. Step 6: Final answer
    x = 59,987.87

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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.