Home / 149,822.74-206,797.08-86,181.04

Finding the Fourth Proportional to 149,822.74, 206,797.08 and 86,181.04

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Solution

The fourth proportional to 149,822.74, 206,797.08 and 86,181.04 is: 118,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,822.74 : 206,797.08 = 86,181.04 : x
  2. Step 2: Convert to fraction form
    149,822.74/206,797.08 = 86,181.04/x
  3. Step 3: Cross multiply
    149,822.74x = 206,797.08 × 86,181.04
  4. Step 4: Simplify right side
    149,822.74x = 17,821,987,423.36
  5. Step 5: Solve for x
    x = 17,821,987,423.36/149,822.74
  6. Step 6: Final answer
    x = 118,953.82

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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.