Home / 136,749.47-205,121.77-43,255.22

Finding the Fourth Proportional to 136,749.47, 205,121.77 and 43,255.22

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Solution

The fourth proportional to 136,749.47, 205,121.77 and 43,255.22 is: 64,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,749.47 : 205,121.77 = 43,255.22 : x
  2. Step 2: Convert to fraction form
    136,749.47/205,121.77 = 43,255.22/x
  3. Step 3: Cross multiply
    136,749.47x = 205,121.77 × 43,255.22
  4. Step 4: Simplify right side
    136,749.47x = 8,872,586,154.39
  5. Step 5: Solve for x
    x = 8,872,586,154.39/136,749.47
  6. Step 6: Final answer
    x = 64,882.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.