Home / 119,966.93-165,556.95-66,255.38

Finding the Fourth Proportional to 119,966.93, 165,556.95 and 66,255.38

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Solution

The fourth proportional to 119,966.93, 165,556.95 and 66,255.38 is: 91,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,966.93 : 165,556.95 = 66,255.38 : x
  2. Step 2: Convert to fraction form
    119,966.93/165,556.95 = 66,255.38/x
  3. Step 3: Cross multiply
    119,966.93x = 165,556.95 × 66,255.38
  4. Step 4: Simplify right side
    119,966.93x = 10,969,038,633.89
  5. Step 5: Solve for x
    x = 10,969,038,633.89/119,966.93
  6. Step 6: Final answer
    x = 91,433.85

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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.