Home / 149,017.04-205,648.92-85,367.14

Finding the Fourth Proportional to 149,017.04, 205,648.92 and 85,367.14

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Solution

The fourth proportional to 149,017.04, 205,648.92 and 85,367.14 is: 117,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,017.04 : 205,648.92 = 85,367.14 : x
  2. Step 2: Convert to fraction form
    149,017.04/205,648.92 = 85,367.14/x
  3. Step 3: Cross multiply
    149,017.04x = 205,648.92 × 85,367.14
  4. Step 4: Simplify right side
    149,017.04x = 17,555,660,336.09
  5. Step 5: Solve for x
    x = 17,555,660,336.09/149,017.04
  6. Step 6: Final answer
    x = 117,809.75

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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.