Home / 219,913.48-329,919.96-70,162.64

Finding the Fourth Proportional to 219,913.48, 329,919.96 and 70,162.64

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Solution

The fourth proportional to 219,913.48, 329,919.96 and 70,162.64 is: 105,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,913.48 : 329,919.96 = 70,162.64 : x
  2. Step 2: Convert to fraction form
    219,913.48/329,919.96 = 70,162.64/x
  3. Step 3: Cross multiply
    219,913.48x = 329,919.96 × 70,162.64
  4. Step 4: Simplify right side
    219,913.48x = 23,148,055,382.29
  5. Step 5: Solve for x
    x = 23,148,055,382.29/219,913.48
  6. Step 6: Final answer
    x = 105,259.83

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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.