Home / 149,543.29-206,362.46-89,112.59

Finding the Fourth Proportional to 149,543.29, 206,362.46 and 89,112.59

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Solution

The fourth proportional to 149,543.29, 206,362.46 and 89,112.59 is: 122,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,543.29 : 206,362.46 = 89,112.59 : x
  2. Step 2: Convert to fraction form
    149,543.29/206,362.46 = 89,112.59/x
  3. Step 3: Cross multiply
    149,543.29x = 206,362.46 × 89,112.59
  4. Step 4: Simplify right side
    149,543.29x = 18,389,493,289.37
  5. Step 5: Solve for x
    x = 18,389,493,289.37/149,543.29
  6. Step 6: Final answer
    x = 122,971.04

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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.