Home / 129,015.51-193,535.48-50,135.82

Finding the Fourth Proportional to 129,015.51, 193,535.48 and 50,135.82

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Solution

The fourth proportional to 129,015.51, 193,535.48 and 50,135.82 is: 75,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,015.51 : 193,535.48 = 50,135.82 : x
  2. Step 2: Convert to fraction form
    129,015.51/193,535.48 = 50,135.82/x
  3. Step 3: Cross multiply
    129,015.51x = 193,535.48 × 50,135.82
  4. Step 4: Simplify right side
    129,015.51x = 9,703,059,988.89
  5. Step 5: Solve for x
    x = 9,703,059,988.89/129,015.51
  6. Step 6: Final answer
    x = 75,208.48

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1.5x scale

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.