Home / 149,710.23-206,580.51-89,287.97

Finding the Fourth Proportional to 149,710.23, 206,580.51 and 89,287.97

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Solution

The fourth proportional to 149,710.23, 206,580.51 and 89,287.97 is: 123,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,710.23 : 206,580.51 = 89,287.97 : x
  2. Step 2: Convert to fraction form
    149,710.23/206,580.51 = 89,287.97/x
  3. Step 3: Cross multiply
    149,710.23x = 206,580.51 × 89,287.97
  4. Step 4: Simplify right side
    149,710.23x = 18,445,153,346.56
  5. Step 5: Solve for x
    x = 18,445,153,346.56/149,710.23
  6. Step 6: Final answer
    x = 123,205.70

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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.