Home / 119,698.50-165,180.75-65,983.71

Finding the Fourth Proportional to 119,698.50, 165,180.75 and 65,983.71

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Solution

The fourth proportional to 119,698.50, 165,180.75 and 65,983.71 is: 91,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,698.50 : 165,180.75 = 65,983.71 : x
  2. Step 2: Convert to fraction form
    119,698.50/165,180.75 = 65,983.71/x
  3. Step 3: Cross multiply
    119,698.50x = 165,180.75 × 65,983.71
  4. Step 4: Simplify right side
    119,698.50x = 10,899,238,705.58
  5. Step 5: Solve for x
    x = 10,899,238,705.58/119,698.50
  6. Step 6: Final answer
    x = 91,055.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.