Home / 129,131.48-193,708.35-35,637.23

Finding the Fourth Proportional to 129,131.48, 193,708.35 and 35,637.23

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Solution

The fourth proportional to 129,131.48, 193,708.35 and 35,637.23 is: 53,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,131.48 : 193,708.35 = 35,637.23 : x
  2. Step 2: Convert to fraction form
    129,131.48/193,708.35 = 35,637.23/x
  3. Step 3: Cross multiply
    129,131.48x = 193,708.35 × 35,637.23
  4. Step 4: Simplify right side
    129,131.48x = 6,903,229,021.87
  5. Step 5: Solve for x
    x = 6,903,229,021.87/129,131.48
  6. Step 6: Final answer
    x = 53,458.92

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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.