Home / 119,953.85-165,535.41-66,242.50

Finding the Fourth Proportional to 119,953.85, 165,535.41 and 66,242.50

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Solution

The fourth proportional to 119,953.85, 165,535.41 and 66,242.50 is: 91,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,953.85 : 165,535.41 = 66,242.50 : x
  2. Step 2: Convert to fraction form
    119,953.85/165,535.41 = 66,242.50/x
  3. Step 3: Cross multiply
    119,953.85x = 165,535.41 × 66,242.50
  4. Step 4: Simplify right side
    119,953.85x = 10,965,479,396.93
  5. Step 5: Solve for x
    x = 10,965,479,396.93/119,953.85
  6. Step 6: Final answer
    x = 91,414.15

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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.