Home / 149,889.01-206,756.31-98,883.61

Finding the Fourth Proportional to 149,889.01, 206,756.31 and 98,883.61

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Solution

The fourth proportional to 149,889.01, 206,756.31 and 98,883.61 is: 136,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,889.01 : 206,756.31 = 98,883.61 : x
  2. Step 2: Convert to fraction form
    149,889.01/206,756.31 = 98,883.61/x
  3. Step 3: Cross multiply
    149,889.01x = 206,756.31 × 98,883.61
  4. Step 4: Simplify right side
    149,889.01x = 20,444,810,323.08
  5. Step 5: Solve for x
    x = 20,444,810,323.08/149,889.01
  6. Step 6: Final answer
    x = 136,399.66

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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.