Home / 102,919.40-154,390.44-32,782.58

Finding the Fourth Proportional to 102,919.40, 154,390.44 and 32,782.58

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Solution

The fourth proportional to 102,919.40, 154,390.44 and 32,782.58 is: 49,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,919.40 : 154,390.44 = 32,782.58 : x
  2. Step 2: Convert to fraction form
    102,919.40/154,390.44 = 32,782.58/x
  3. Step 3: Cross multiply
    102,919.40x = 154,390.44 × 32,782.58
  4. Step 4: Simplify right side
    102,919.40x = 5,061,316,950.54
  5. Step 5: Solve for x
    x = 5,061,316,950.54/102,919.40
  6. Step 6: Final answer
    x = 49,177.48

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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.