Home / 149,602.04-206,469.07-85,939.68

Finding the Fourth Proportional to 149,602.04, 206,469.07 and 85,939.68

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Solution

The fourth proportional to 149,602.04, 206,469.07 and 85,939.68 is: 118,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,602.04 : 206,469.07 = 85,939.68 : x
  2. Step 2: Convert to fraction form
    149,602.04/206,469.07 = 85,939.68/x
  3. Step 3: Cross multiply
    149,602.04x = 206,469.07 × 85,939.68
  4. Step 4: Simplify right side
    149,602.04x = 17,743,885,805.70
  5. Step 5: Solve for x
    x = 17,743,885,805.70/149,602.04
  6. Step 6: Final answer
    x = 118,607.24

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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.